52639 + Interview Questions in Secondary School in Chemistry

1.	Meaning of hydrochlotic
Answer» an aqueous solution of hydrogen chloride $HCl$ that is a strong corrosive IRRITATING acid, is normally present in DILUTE FORM in gastric juice, and is widely used in industry and in the laboratory. please mark me brain mark LIST

1.

Meaning of hydrochlotic

Answer»

an aqueous solution of hydrogen chloride $HCl$ that is a strong corrosive IRRITATING acid, is normally present in DILUTE FORM in gastric juice, and is widely used in industry and in the laboratory.

please mark me brain mark LIST

Discussion

2.	Friends funmetxdp-rgex-exp
Answer» ANSWER: funmet INTERESTING ILL JOIN

2.

Friends funmetxdp-rgex-exp

Answer»

ANSWER:

funmet INTERESTING ILL JOIN

Discussion

3.	Pls answer this question's, 'b' part second question.
Answer» Answer: 1 MOL of SO2 will CONTAIN 6.022 x 1023 MOLECULES of SO2

3.

Pls answer this question's, 'b' part second question.

Answer»

Answer:

1 MOL of SO2 will CONTAIN 6.022 x 1023 MOLECULES of SO2

Discussion

4.	Tike the markWhich is not a charactevistics of porticles of mathes
Answer» Explanation: Characteristics of particles of matter All matter is composed of very SMALL particles which can EXIST INDEPENDENTLY. Particles of matter have spaces between them. Particles of matter are CONTINUOUSLY moving. Particles of matter attract each other.

4.

Tike the markWhich is not a charactevistics of porticles of mathes

Answer»

Explanation:

Characteristics of particles of matter

All matter is composed of very SMALL particles which can EXIST INDEPENDENTLY. Particles of matter have spaces between them. Particles of matter are CONTINUOUSLY moving. Particles of matter attract each other.

Discussion

5.	Bolo xDkisko maine ignore kiya xD maine to kisi ko ignore ni kiya xD
Answer» OH HELLO MR PAGAL BHAIYA

Discussion

6.	Ji nahi mai ussne nahi hu
Answer» ANSWER: HII SISO ky kr RAHI ho tum

6.

Ji nahi mai ussne nahi hu

Answer»

ANSWER:

HII SISO ky kr RAHI ho tum

Discussion

7.	What is respiration?please answer fast
Answer» Answer: In physiology, RESPIRATION is the MOVEMENT of oxygen from the outside environment to the cells WITHIN tissues, and the REMOVAL of CARBON dioxide in the opposite direction.

7.

What is respiration?please answer fast

Answer»

Answer:

In physiology, RESPIRATION is the MOVEMENT of oxygen from the outside environment to the cells WITHIN tissues, and the REMOVAL of CARBON dioxide in the opposite direction.

Discussion

8.	Match the columns with their meaningsWhich is not a charactevistics of porticles of mathes
Answer» Answer: (i) A home for living organisms - (b) All kinds of soil (ii) Upper layer of the soil - (c) dark in COLOUR (III) Sandy soil - (a) LARGE particles (iv) Middle layer of the soil - (E)lesser amount of humus (v) Clayey soil - (d) SMALL particles and

8.

Match the columns with their meaningsWhich is not a charactevistics of porticles of mathes

Answer»

Answer:

(i) A home for living organisms - (b) All kinds of soil

(ii) Upper layer of the soil - (c) dark in COLOUR

(III) Sandy soil - (a) LARGE particles

(iv) Middle layer of the soil - (E)lesser amount of humus

(v) Clayey soil - (d) SMALL particles and

Discussion

9.	Who are uh dear??See I have no problem to have uh as a friend but I will not able to give uh as much time a friend deserves is it okthen also if uh want uh are most welcome dearplz can uh give ur introand my real name is Monika, my friends call me Michi and aur bhe by boht saare ajeeb se nam jaise tumne nilkala Mirchi (⌐■-■)
Answer» ANSWER: he he he he he mijhe bhi ye DIALOGUE chipkaya THA TUMNE

9.

Who are uh dear??See I have no problem to have uh as a friend but I will not able to give uh as much time a friend deserves is it okthen also if uh want uh are most welcome dearplz can uh give ur introand my real name is Monika, my friends call me Michi and aur bhe by boht saare ajeeb se nam jaise tumne nilkala Mirchi (⌐■-■)

Answer»

ANSWER:

he he he he he

mijhe bhi ye DIALOGUE chipkaya THA TUMNE

Discussion

10.	Give the uses of dioxygen?
Answer» ANSWER: SORRY i DONT KNOW the answer

10.

Give the uses of dioxygen?

Answer»

ANSWER:

SORRY i DONT KNOW the answer

Discussion

11.	What is Catalyst?don't spam
Answer» ANSWER: Catalyst, in chemistry, any SUBSTANCE that increases the rate of a reaction without itself being consumed. hope you LIKE my answer *please* *follow* me *and* *mark* me as *brainliest*

11.

What is Catalyst?don't spam

Answer»

ANSWER:

Catalyst, in chemistry, any SUBSTANCE that increases the rate of a reaction without itself being consumed.

hope you LIKE my answer

please follow me and mark me as brainliest

Discussion

12.	Chemical formula for zinc sulphide
Answer» ANSWER: YOO!! bro/sis ✌✌ zinc sulhide = ZNS.

12.

Chemical formula for zinc sulphide

Answer»

ANSWER:

YOO!! bro/sis ✌✌

zinc sulhide = ZNS.

Discussion

13.	Solid calcium oxide contains.1.only molecules 2.ions and molecules 3. only ions4. only atoms.
Answer» Answer: Only Ions Explanation: Calcium oxide is an ionic compound. It has a CRYSTAL structure with CA2+ C a 2 + and O2− ions in the LATTICE points.

13.

Solid calcium oxide contains.1.only molecules 2.ions and molecules 3. only ions4. only atoms.

Answer»

Answer:

Only Ions

Explanation:

Calcium oxide is an ionic compound. It has a CRYSTAL structure with CA2+ C a 2 + and O2− ions in the LATTICE points.

Discussion

14.	Chemichal formula for zink sulphide
Answer» Answer: *ZnS* *ZnSImage RESULT for CHEMICAL FORMULA for ZINC sulphide* *ZnSImage result for chemical formula for zinc sulphideMolar MASS: 97.474 g/mol* *ZnSImage result for chemical formula for zinc sulphideMolar mass: 97.474 g/molDensity: 4.09 g/cm³*

14.

Chemichal formula for zink sulphide

Answer»

Answer:

ZnS

ZnSImage RESULT for CHEMICAL FORMULA for ZINC sulphide

ZnSImage result for chemical formula for zinc sulphideMolar MASS: 97.474 g/mol

ZnSImage result for chemical formula for zinc sulphideMolar mass: 97.474 g/molDensity: 4.09 g/cm³

Discussion

15.	0.18g of a divalent metal was completely dissolved in 250 cc of acid solution containing 4.9 g H2SO4 per liter. 50 cc of the residual acid solution required 20 cc of N/10 alkali for complete neutralization. Calculate the atomic weight of metal.
Answer» SIMPLE just MULTIPLY and DIVIDE

Discussion

16.	In nitrogen molecule the number of electron pairs which is not take part in the covalent bond formation1. 32. 23. 44. 6
Answer» Answer: 3 Explanation: PLS MARK as BRAINLIEST

16.

In nitrogen molecule the number of electron pairs which is not take part in the covalent bond formation1. 32. 23. 44. 6

Answer»

Answer:

3

Explanation:

PLS MARK as BRAINLIEST

Discussion

17.	By point lelo happy raho
Answer» ANSWER: PLEASE mark me as BRAINLEAST for my next RANK

17.

By point lelo happy raho

Answer»

ANSWER:

PLEASE mark me as BRAINLEAST for my next RANK

Discussion

18.	What is pure substance ?? I don't understand
Answer» Answer + Explanation: A pure substance is a form of matter that has a CONSTANT composition and properties that are constant throughout the sample. MIXTURES are physical combinations of two or more ELEMENTS and/or compounds. Mixtures can be classified as homogeneous or heterogeneous.

18.

What is pure substance ?? I don't understand

Answer»

Answer + Explanation:

A pure substance is a form of matter that has a CONSTANT composition and properties that are constant throughout the sample. MIXTURES are physical combinations of two or more ELEMENTS and/or compounds. Mixtures can be classified as homogeneous or heterogeneous.

Discussion

19.	When a compound A (colourless substance) reacts with water it forms a compound B (usedfor white wash) with the evolution of heat energy.(i)Identify A and B (i) write the chemicalname of A and B (iii)Mention the type of reaction.
Answer» ANSWER: $69 \times 96$ WEIRD but I have a GREAT DAY to be a great day to be a great day to be a great day to be a great day

19.

When a compound A (colourless substance) reacts with water it forms a compound B (usedfor white wash) with the evolution of heat energy.(i)Identify A and B (i) write the chemicalname of A and B (iii)Mention the type of reaction.

Answer»

ANSWER:

$69 \times 96$

WEIRD but I have a GREAT DAY to be a great day to be a great day to be a great day to be a great day

Discussion

20.	Define chiral carbon & explain SN SN mechanism
Answer» Answer: 1- SN2 mechanism 2- SN1 mechanism Explanation: the objects which are not superimposible their mirror images are CHIRAL molecules. The carbon atoms having 4 different substituents attached to it is CALLED the chiral center.

20.

Define chiral carbon & explain SN SN mechanism

Answer»

Answer:

1- SN2 mechanism

2- SN1 mechanism

Explanation:

the objects which are not superimposible their mirror images are CHIRAL molecules. The carbon atoms having 4 different substituents attached to it is CALLED the chiral center.

Discussion

21.	If the solution is 400 ml and solvent is 300 ml. so what is percentage of solute?
Answer» Answer: 25% Explanation: 400-300=100 100/400 =1/4 =25%

21.

If the solution is 400 ml and solvent is 300 ml. so what is percentage of solute?

Answer»

Answer:

25%

Explanation:

400-300=100

100/400

=1/4

=25%

Discussion

22.	Answer pls fast help fast
Answer» *YOU'RE* *ANSWER* *ARE* *RIGHT* *DON'T* *EORRY*

Discussion

23.	Which of the following is not a common characteristics of a covalent compounds
Answer» Your answer is in explanation. Explanation: (1) Low meleting point and boiling point (2) soft or BRITTLE SOILD forms (3) Low enthapls of fusion and vapoururison (4) POOR electrical and thermical conductivity covalent COMPOUNDS more electrical conductivity shows in molten state.

23.

Which of the following is not a common characteristics of a covalent compounds

Answer»

Your answer is in explanation.

Explanation:

(1) Low meleting point and boiling point

(2) soft or BRITTLE SOILD forms

(3) Low enthapls of fusion and vapoururison

(4) POOR electrical and thermical conductivity covalent COMPOUNDS more electrical conductivity shows in molten state.

Discussion

24.	Miss ziddi hello mai thik tu bta ❤_______lovely sister kuch khass nahi ch.at or class xDaap btao
Answer» Answer: TU mere se baat kyu nahi KAR RAHA THA subah se

24.

Miss ziddi hello mai thik tu bta ❤_______lovely sister kuch khass nahi ch.at or class xDaap btao

Answer»

Answer:

TU mere se baat kyu nahi KAR RAHA THA subah se

Discussion

25.	Explain anomalous behaviour of oxygen???
Answer» Answer: Oxygen being small in SIZE, HIGHLY electronegative, and non-availability of VALENCE electrons in d ORBITAL oxygen shows anomalous behavior.

25.

Explain anomalous behaviour of oxygen???

Answer»

Answer:

Oxygen being small in SIZE, HIGHLY electronegative, and non-availability of VALENCE electrons in d ORBITAL oxygen shows anomalous behavior.

Discussion

26.	The term used for the the formation of ions from the covalent compounds
Answer» HELLO MATE, Ionic BOND is the term that is used for the the formation of IONS from the covalent compounds. Hope this helps you ☺️❤️

26.

The term used for the the formation of ions from the covalent compounds

Answer»

HELLO MATE,

Ionic BOND is the term that is used for the the formation of IONS from the covalent compounds.

Hope this helps you ☺️❤️

Discussion

27.	Producer gas is a mixture of (a) CO + H2 (b) CO + N2 (c) CO2+H2 (d) CO2 +N2
Answer» ANSWER: YEAH PLS maek . BRAINLIEST

27.

Producer gas is a mixture of (a) CO + H2 (b) CO + N2 (c) CO2+H2 (d) CO2 +N2

Answer»

ANSWER:

YEAH

PLS maek . BRAINLIEST

Discussion

28.	Which pair of elements listed below will undergo ionic bond formation
Answer» ANSWER: what PAIR of ELEMENTS? skskksskosoaoaa

28.

Which pair of elements listed below will undergo ionic bond formation

Answer»

ANSWER:

what PAIR of ELEMENTS?

skskksskosoaoaa

Discussion

29.	States of mather are clarcfied into
Answer» ANSWER: solid, liquid, gas are the 3 classification of the STATES of MATTER

29.

States of mather are clarcfied into

Answer»

ANSWER:

solid, liquid, gas are the 3 classification of the STATES of MATTER

Discussion

30.	Usha swims in a 90 m long pool. she covers 180 m in 2 minutes by swimming from one end to the other and back along the same straight path. find displacement.Pls help fast
Answer» ANSWER: Here is your answer SEE the attachment Explanation: Have a GREAT DAY

30.

Usha swims in a 90 m long pool. she covers 180 m in 2 minutes by swimming from one end to the other and back along the same straight path. find displacement.Pls help fast

Answer»

ANSWER:

Here is your answer SEE the attachment

Explanation:

Have a GREAT DAY

Discussion

31.	Sakshi tu bhai ko points de Mujhe chance nahi mil raha hai xD
Answer» Answer: YAAR sab ans kar rahe HAI Explanation: KYA KARU aapke liye or Krish ke liye point waste karu to koi or le RAHA hai

31.

Sakshi tu bhai ko points de Mujhe chance nahi mil raha hai xD

Answer»

Answer:

YAAR sab ans kar rahe HAI

Explanation:

KYA KARU aapke liye or Krish ke liye point waste karu to koi or le RAHA hai

Discussion

32.	Which is not a charactevistics of posticles of mathes
Answer» Answer: A matter is anything that has mass and occupies SPACE. PEN, paper, clips, sand, AIR, ice, etc. are different forms of matter. Every matter is made up of tiny PARTICLES. These particles are so tiny that they can’t be seen with naked eyes. Let’s learn about the different characteristics of particles of matter. Characteristics of particles of matter The characteristics of particles of matter are: 1. All matter is composed of very small particles which can EXIST independently. 2. Particles of matter have spaces between them. 3. Particles of matter are continuously moving. 4. Particles of matter attract each other.

32.

Which is not a charactevistics of posticles of mathes

Answer»

Answer:

A matter is anything that has mass and occupies SPACE. PEN, paper, clips, sand, AIR, ice, etc. are different forms of matter. Every matter is made up of tiny PARTICLES. These particles are so tiny that they can’t be seen with naked eyes. Let’s learn about the different characteristics of particles of matter.

Characteristics of particles of matter

The characteristics of particles of matter are:

1. All matter is composed of very small particles which can EXIST independently.

2. Particles of matter have spaces between them.

3. Particles of matter are continuously moving.

4. Particles of matter attract each other.

Discussion

33.	please answer this question and please write correct answer and who will write correct answer I will give him brainleast answer
Answer» ANSWER: I THINK 3 I DON'T KNOW CORRECTLY

33.

please answer this question and please write correct answer and who will write correct answer I will give him brainleast answer

Answer»

ANSWER:

I THINK 3

I DON'T KNOW CORRECTLY

Discussion

34.	Answer the following briefly.1. Name some vegetables and fruits that contain organic acids.2. Differentiate between strong and weak acids with examples.3. What are acids made in the factories called?4. Explain how an antacid works.5.———-+ H2 SO4————-> K2SO4 + ———-
Answer» Answer: Hey MATE, Explanation: Citric acid – present in citrus fruits like lemons, lime, oranges etc. ... Malic acid – HIGH levels present in apples. ... Oxalic acid – in GREEN leafy vegetables and beets. Ascorbic acid – Also KNOWN as Vitamin C. ... TARTARIC acid – Grapes, tamarind, apples, apricots, and bananas. hope it helps ☺️

34.

Answer the following briefly.1. Name some vegetables and fruits that contain organic acids.2. Differentiate between strong and weak acids with examples.3. What are acids made in the factories called?4. Explain how an antacid works.5.———-+ H2 SO4————-> K2SO4 + ———-

Answer»

Answer:

Hey MATE,

Explanation:

Citric acid – present in citrus fruits like lemons, lime, oranges etc. ...

Malic acid – HIGH levels present in apples. ...

Oxalic acid – in GREEN leafy vegetables and beets.

Ascorbic acid – Also KNOWN as Vitamin C. ...

TARTARIC acid – Grapes, tamarind, apples, apricots, and bananas.

hope it helps ☺️

Discussion

35.	Hey those girls like me say ' I love you '
Answer» ANSWER: don't spam Explanation:

35.

Hey those girls like me say ' I love you '

Answer»

ANSWER:

don't spam

Explanation:

Discussion

36.	Ite IUPAC name of compound H3C-C=C-CH2Br \| \| CH3 CH3
Answer» ANSWER: xydifysrihdtigyx8f7s6f8f7 and HINDI THEANSWER is the 5

36.

Ite IUPAC name of compound H3C-C=C-CH2Br | | CH3 CH3

Answer»

ANSWER:

xydifysrihdtigyx8f7s6f8f7 and HINDI THEANSWER is the 5

Discussion

37.	Writethe significance both qualitativeand quantitative of thechemical formula H2SO4
Answer» ANSWER: PLEASE MARK as brainiliest

37.

Writethe significance both qualitativeand quantitative of thechemical formula H2SO4

Answer»

ANSWER:

PLEASE MARK as brainiliest

Discussion

38.	Tusher bhai rahane do nahi points nahi chahiye
Answer» ANSWER: HIII PLZ FOLLOW and SUPPORT

38.

Tusher bhai rahane do nahi points nahi chahiye

Answer»

ANSWER:

HIII PLZ FOLLOW and SUPPORT

Discussion

39.	What is the electronic configuration of (21Sc)write down the subshell wise electronic configuration
Answer» [Ar] 3d¹ 4s² 1 Hydrogen 1s1 2 Helium 1s2 3 LITHIUM [He]2s1 4 BERYLLIUM [He]2s2 5 Boron [He]2s22p1 6 Carbon [He]2s22p2 7 Nitrogen [He]2s22p3 8 Oxygen [He]2s22p4 9 FLUORINE [He]2s22p5 10 Neon [He]2s22p6 11 Sodium [Ne]3s1 12 Magnesium [Ne]3s2 13 Aluminum [Ne]3s23p1 14 Silicon [Ne]3s23p2 15 PHOSPHORUS [Ne]3s23p3 16 Sulfur [Ne]3s23p4 17 Chlorine [Ne]3s23p5 18 Argon [Ne]3s23p6 19 Potassium [Ar]4s1 20 Calcium [Ar]4s2 21 Scandium [Ar]3d14s2 22 TITANIUM [Ar]3d24s2 23 Vanadium [Ar]3d34s2 24 Chromium [Ar]3d54s1 25 Manganese [Ar]3d54s2 26 Iron [Ar]3d64s2 27 Cobalt [Ar]3d74s2 28 Nickel [Ar]3d84s2 29 Copper [Ar]3d104s1 30 Zinc [Ar]3d104s2 please mark me brain mark list

39.

What is the electronic configuration of (21Sc)write down the subshell wise electronic configuration

Answer»

[Ar] 3d¹ 4s²

1 Hydrogen 1s1

2 Helium 1s2

3 LITHIUM [He]2s1

4 BERYLLIUM [He]2s2

5 Boron [He]2s22p1

6 Carbon [He]2s22p2

7 Nitrogen [He]2s22p3

8 Oxygen [He]2s22p4

9 FLUORINE [He]2s22p5

10 Neon [He]2s22p6

11 Sodium [Ne]3s1

12 Magnesium [Ne]3s2

13 Aluminum [Ne]3s23p1

14 Silicon [Ne]3s23p2

15 PHOSPHORUS [Ne]3s23p3

16 Sulfur [Ne]3s23p4

17 Chlorine [Ne]3s23p5

18 Argon [Ne]3s23p6

19 Potassium [Ar]4s1

20 Calcium [Ar]4s2

21 Scandium [Ar]3d14s2

22 TITANIUM [Ar]3d24s2

23 Vanadium [Ar]3d34s2

24 Chromium [Ar]3d54s1

25 Manganese [Ar]3d54s2

26 Iron [Ar]3d64s2

27 Cobalt [Ar]3d74s2

28 Nickel [Ar]3d84s2

29 Copper [Ar]3d104s1

30 Zinc [Ar]3d104s2

please mark me brain mark list

Discussion

40.	Which of the followings are non-malleable substances?Coal. Sulphur, Silver, Sodium, Mercury, Gold, Copper, Aluminium. Zinc, Phosphorusetc.Please answer asap
Answer» coal Sulphur sodium mercury aluminum Phosphorus hope it HELPS ❤️ follow

40.

Which of the followings are non-malleable substances?Coal. Sulphur, Silver, Sodium, Mercury, Gold, Copper, Aluminium. Zinc, Phosphorusetc.Please answer asap

Answer»

coal
Sulphur
sodium
mercury
aluminum
Phosphorus

hope it HELPS ❤️

follow

Discussion

41.	What is greenhouse effect mention any 2 uses of green chemistry.
Answer» ANSWER: The greenhouse EFFECT is a process that occurs when gases in EARTH's atmosphere trap the Sun's heat. This process makes Earth much warmer than it WOULD be WITHOUT an atmosphere. The greenhouse effect is one of the things that makes Earth a comfortable place to live.

41.

What is greenhouse effect mention any 2 uses of green chemistry.

Answer»

ANSWER:

The greenhouse EFFECT is a process that occurs when gases in EARTH's atmosphere trap the Sun's heat. This process makes Earth much warmer than it WOULD be WITHOUT an atmosphere. The greenhouse effect is one of the things that makes Earth a comfortable place to live.

Discussion

42.	1) Write the conjugate base for the following Bronsted acids H2CO3, HF?
Answer» $\huge \tt \pink{Answer}$ $\tt \: Conjugate \: bases: F ^{-} , HCO^{-} _3$ HOPE it's HELPS you ☺️

42.

1) Write the conjugate base for the following Bronsted acids H2CO3, HF?

Answer»

$\huge \tt \pink{Answer}$

$\tt \: Conjugate \: bases: F ^{-} , HCO^{-} _3$

HOPE it's HELPS you ☺️

Discussion

43.	Ham bhi hote 2 ya 1 par but mujse nahi hora multiple answer
Answer» Explanation: Or KHANA hogya apka POINT du KYA MAI

43.

Ham bhi hote 2 ya 1 par but mujse nahi hora multiple answer

Answer»

Explanation:

Or KHANA hogya apka POINT du KYA MAI

Discussion

44.	Write the atomic number, mass number, electron, proton using the symbol
Answer» Answer: Photosynthesis is a process used by PLANTS and other organisms to CONVERT LIGHT energy into chemical energy that, through cellular respiration, can later be released to fuel the ORGANISM's activities. PLEASE drop some ❤️❤️❤️ Explanation: please f-o-l-l-o-w m-e bro please please mark as brilliant

44.

Write the atomic number, mass number, electron, proton using the symbol

Answer»

Answer:

Photosynthesis is a process used by PLANTS and other organisms to CONVERT LIGHT energy into chemical energy that, through cellular respiration, can later be released to fuel the ORGANISM's activities.

PLEASE drop some ❤️❤️❤️

Explanation:

please f-o-l-l-o-w m-e bro please

please mark as brilliant

Discussion

45.	Why Rutherford's model could not explain the stability of an atom?
Answer» Answer: RUTHERFORD's MODEL was unable to explain the stability of an atom. According to Rutherford's POSTULATE, electrons revolve at a very high speed around a nucleus of an atom in a fixed orbit. ... Therefore, Rutherford atomic model was not FOLLOWING Maxwell's theory and it was unable to explain an atom's stability. Explanation: please mark me as Brainlist

45.

Why Rutherford's model could not explain the stability of an atom?

Answer»

Answer:

RUTHERFORD's MODEL was unable to explain the stability of an atom. According to Rutherford's POSTULATE, electrons revolve at a very high speed around a nucleus of an atom in a fixed orbit. ... Therefore, Rutherford atomic model was not FOLLOWING Maxwell's theory and it was unable to explain an atom's stability.

Explanation:

please mark me as Brainlist

Discussion

46.	Match the following.1. Citric acid. Sodium acetate2. Nitric acid. Mild base3. Basic salt Organic acid4. Litmus paper Mineral acid5. Antacid. Indicator
Answer» 1=5 2=3 3=4 4=2 5=1 PLZ MARK me as BRAIN LIST

46.

Match the following.1. Citric acid. Sodium acetate2. Nitric acid. Mild base3. Basic salt Organic acid4. Litmus paper Mineral acid5. Antacid. Indicator

Answer»

1=5

2=3

3=4

4=2

5=1 PLZ MARK me as BRAIN LIST

Discussion

47.	Ooo aisa h ky xD ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎waise ye wait krne k ky mltb hota h xd
Answer» ANSWER: WAIT krne ka mtlb intezaar krna hota ha..LOL...xd

47.

Ooo aisa h ky xD ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎waise ye wait krne k ky mltb hota h xd

Answer»

ANSWER:

WAIT krne ka mtlb intezaar krna hota ha..LOL...xd

Discussion

48.	Ph Value of Tap water is?
Answer» Answer: The pH of most drinking-water lies within the range 6.5–8.5. Natural waters can be of lower pH, as a RESULT of, for example, acid rain or higher pH in limestone AREAS. The pH of an aqueous SAMPLE is usually measured electrometrically with a glass ELECTRODE.

48.

Ph Value of Tap water is?

Answer»

Answer:

The pH of most drinking-water lies within the range 6.5–8.5. Natural waters can be of lower pH, as a RESULT of, for example, acid rain or higher pH in limestone AREAS. The pH of an aqueous SAMPLE is usually measured electrometrically with a glass ELECTRODE.

Discussion

49.	In each of the given pairs, choose which element will have the bigger atom. Give reasons for your choice. (a) Mg (atomic number 12) or Cl (atomic number 17) Na (atomic number 11) or K (atomic number 19)
Answer» ANSWER: hdhskamwbhz7sfsjwkaoamabjw

49.

In each of the given pairs, choose which element will have the bigger atom. Give reasons for your choice. (a) Mg (atomic number 12) or Cl (atomic number 17) Na (atomic number 11) or K (atomic number 19)

Answer»

ANSWER:

hdhskamwbhz7sfsjwkaoamabjw

Discussion

50.	Classify the aqeous solution of the following salts into acidic, basic and neutral. (2) NaCl, NaCN, NH4NO3 , CH3COONa ?
Answer» Answer: 1 BASIC 2 NEUTRAL 3 neutral 4 neutral

50.

Classify the aqeous solution of the following salts into acidic, basic and neutral. (2) NaCl, NaCN, NH4NO3 , CH3COONa ?

Answer»

Answer:

1 BASIC 2 NEUTRAL 3 neutral 4 neutral

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Meaning of hydrochlotic​

Friends funmetxdp-rgex-exp​

Pls answer this question's, 'b' part second question. ​

Tike the markWhich is not a charactevistics of porticles of mathes

Bolo xDkisko maine ignore kiya xD maine to kisi ko ignore ni kiya xD​

Ji nahi mai ussne nahi hu​

What is respiration?please answer fast ​

Match the columns with their meaningsWhich is not a charactevistics of porticles of mathes

Give the uses of dioxygen?​

What is Catalyst?don't spam​

Chemical formula for zinc sulphide

Solid calcium oxide contains.1.only molecules 2.ions and molecules 3. only ions4. only atoms.​

Chemichal formula for zink sulphide

0.18g of a divalent metal was completely dissolved in 250 cc of acid solution containing 4.9 g H2SO4 per liter. 50 cc of the residual acid solution required 20 cc of N/10 alkali for complete neutralization. Calculate the atomic weight of metal.

In nitrogen molecule the number of electron pairs which is not take part in the covalent bond formation1. 32. 23. 44. 6​

By point lelo happy raho​

What is pure substance ?? I don't understand​

When a compound A (colourless substance) reacts with water it forms a compound B (usedfor white wash) with the evolution of heat energy.(i)Identify A and B (i) write the chemicalname of A and B (iii)Mention the type of reaction.

Define chiral carbon & explain SN SN mechanism​

If the solution is 400 ml and solvent is 300 ml. so what is percentage of solute?​

Answer pls fast help fast

YOU'RE ANSWER ARE RIGHT DON'T EORRY

Which of the following is not a common characteristics of a covalent compounds​

Your answer is in explanation.

Miss ziddi hello mai thik tu bta ❤_______lovely sister kuch khass nahi ch.at or class xDaap btao​

TU mere se baat kyu nahi KAR RAHA THA subah se

Explain anomalous behaviour of oxygen??? ​

The term used for the the formation of ions from the covalent compounds​

Producer gas is a mixture of (a) CO + H2 (b) CO + N2 (c) CO2+H2 (d) CO2 +N2​

Which pair of elements listed below will undergo ionic bond formation​

States of mather are clarcfied into

Usha swims in a 90 m long pool. she covers 180 m in 2 minutes by swimming from one end to the other and back along the same straight path. find displacement.Pls help fast

Sakshi tu bhai ko points de Mujhe chance nahi mil raha hai xD​

Which is not a charactevistics of posticles of mathes

please answer this question and please write correct answer and who will write correct answer I will give him brainleast answer​

Answer the following briefly.1. Name some vegetables and fruits that contain organic acids.2. Differentiate between strong and weak acids with examples.3. What are acids made in the factories called?4. Explain how an antacid works.5.———-+ H2 SO4————-> K2SO4 + ———-

Hey those girls like me say ' I love you '​

Ite IUPAC name of compound H3C-C=C-CH2Br | | CH3 CH3 ​

Writethe significance both qualitativeand quantitative of thechemical formula H2SO4​

Tusher bhai rahane do nahi points nahi chahiye​

What is the electronic configuration of (21Sc)write down the subshell wise electronic configuration​

Which of the followings are non-malleable substances?Coal. Sulphur, Silver, Sodium, Mercury, Gold, Copper, Aluminium. Zinc, Phosphorusetc.Please answer asap

What is greenhouse effect mention any 2 uses of green chemistry.​

1) Write the conjugate base for the following Bronsted acids H2CO3, HF?​

HOPE it's HELPS you ☺️

Ham bhi hote 2 ya 1 par but mujse nahi hora multiple answer ​

Or KHANA hogya apka POINT du KYA MAI

Write the atomic number, mass number, electron, proton using the symbol ​

Why Rutherford's model could not explain the stability of an atom? ​

Match the following.1. Citric acid. Sodium acetate2. Nitric acid. Mild base3. Basic salt Organic acid4. Litmus paper Mineral acid5. Antacid. Indicator

Ooo aisa h ky xD ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎waise ye wait krne k ky mltb hota h xd​

Ph Value of Tap water is?​

In each of the given pairs, choose which element will have the bigger atom. Give reasons for your choice. (a) Mg (atomic number 12) or Cl (atomic number 17) Na (atomic number 11) or K (atomic number 19)​

Classify the aqeous solution of the following salts into acidic, basic and neutral. (2) NaCl, NaCN, NH4NO3 , CH3COONa ?​

Meaning of hydrochlotic

Friends funmetxdp-rgex-exp

Pls answer this question's, 'b' part second question.

Bolo xDkisko maine ignore kiya xD maine to kisi ko ignore ni kiya xD

Ji nahi mai ussne nahi hu

What is respiration?please answer fast

Give the uses of dioxygen?

What is Catalyst?don't spam

Solid calcium oxide contains.1.only molecules 2.ions and molecules 3. only ions4. only atoms.

In nitrogen molecule the number of electron pairs which is not take part in the covalent bond formation1. 32. 23. 44. 6

By point lelo happy raho

What is pure substance ?? I don't understand

Define chiral carbon & explain SN SN mechanism

If the solution is 400 ml and solvent is 300 ml. so what is percentage of solute?

Which of the following is not a common characteristics of a covalent compounds

Miss ziddi hello mai thik tu bta ❤_______lovely sister kuch khass nahi ch.at or class xDaap btao

Explain anomalous behaviour of oxygen???

The term used for the the formation of ions from the covalent compounds

Producer gas is a mixture of (a) CO + H2 (b) CO + N2 (c) CO2+H2 (d) CO2 +N2

Which pair of elements listed below will undergo ionic bond formation

Sakshi tu bhai ko points de Mujhe chance nahi mil raha hai xD

please answer this question and please write correct answer and who will write correct answer I will give him brainleast answer

Hey those girls like me say ' I love you '

Ite IUPAC name of compound H3C-C=C-CH2Br | | CH3 CH3

Writethe significance both qualitativeand quantitative of thechemical formula H2SO4

Tusher bhai rahane do nahi points nahi chahiye

What is the electronic configuration of (21Sc)write down the subshell wise electronic configuration

What is greenhouse effect mention any 2 uses of green chemistry.

1) Write the conjugate base for the following Bronsted acids H2CO3, HF?

Ham bhi hote 2 ya 1 par but mujse nahi hora multiple answer

Write the atomic number, mass number, electron, proton using the symbol

Why Rutherford's model could not explain the stability of an atom?

Ooo aisa h ky xD ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎waise ye wait krne k ky mltb hota h xd

Ph Value of Tap water is?

In each of the given pairs, choose which element will have the bigger atom. Give reasons for your choice. (a) Mg (atomic number 12) or Cl (atomic number 17) Na (atomic number 11) or K (atomic number 19)

Classify the aqeous solution of the following salts into acidic, basic and neutral. (2) NaCl, NaCN, NH4NO3 , CH3COONa ?