52639 + Interview Questions in Secondary School in Chemistry

1.	Heisenberg's uncertainity principle is given mathematically as Ax x A(mv.) To observe minimum uncertainty the value of 'n' must be(A) 1(B) 4(C) 6(D) 3
Answer» ONG>ANSWER: The answer is a OPTION B

1.

Heisenberg's uncertainity principle is given mathematically as Ax x A(mv.) To observe minimum uncertainty the value of 'n' must be(A) 1(B) 4(C) 6(D) 3

Answer» ONG>ANSWER:

The answer is a OPTION B

Discussion

2.	एक्सप्लेन f सेंटर एंड doping
Answer» ong>Answer: sorry not understand your QUESTION can u PLZ write in English then if POSSIBLE can help u

2.

एक्सप्लेन f सेंटर एंड doping

Answer»

ong>Answer:

sorry not understand your QUESTION can u PLZ write in English

then if POSSIBLE can help u

Discussion

3.	सल्फ्यूरिक अम्ल की नर्मलता 2 रखने के लिए कितने ग्राम सल्फ्यूरिक अम्ल की आवश्यकता होगी
Answer» SORRY can't UNDERSTAND mark me as a brainlest ANSWER sorry can't understand mark me as a brainlest answer

3.

सल्फ्यूरिक अम्ल की नर्मलता 2 रखने के लिए कितने ग्राम सल्फ्यूरिक अम्ल की आवश्यकता होगी

Answer»

SORRY can't UNDERSTAND mark me as a brainlest ANSWER

sorry can't understand mark me as a brainlest answer

Discussion

4.	List in tabular form, any three chemical properties on the basis metals are differentiated?
Answer» EACTS with OXYGEN to form its basic oxide. I react with water to form its hydroxide. they react with dil.acid to form its salt and HYDROGEN gas.

4.

List in tabular form, any three chemical properties on the basis metals are differentiated?

Answer» EACTS with OXYGEN to form its basic oxide.

I react with water to form its hydroxide.

they react with dil.acid to form its salt and HYDROGEN gas.

Discussion

5.	3. Balance the following chemical equations. (a) NaOH+H,SO, “Na SO, +1,0(b) KCIO, ”KCI + 0(C) Hg (NO3),+ KI → HgI,+KNO,1
Answer» ong>Explanation: i MIGHT be WRONG with the 3RD one.

5.

3. Balance the following chemical equations. (a) NaOH+H,SO, “Na SO, +1,0(b) KCIO, ”KCI + 0(C) Hg (NO3),+ KI → HgI,+KNO,1

Answer»

ong>Explanation:

i MIGHT be WRONG with the 3RD one.

Discussion

6.	Calculate block period nd group of following Cs-55Ni-28Pt-78Se-34 Ga-31
Answer» ONG>ANSWER: se-34 I THINK so.............

6.

Calculate block period nd group of following Cs-55Ni-28Pt-78Se-34 Ga-31

Answer» ONG>ANSWER:

se-34

I THINK so.............

Discussion

7.	Explain how groundwater is recharged.write in three line
Answer» ong>Answer: Groundwater is recharged naturally by rain and snow MELT and to a smaller EXTENT by surface water (rivers and lakes). ... Recharge can help move excess salts that accumulate in the root ZONE to deeper soil layers, or into the groundwater SYSTEM. Tree roots increase water saturation into groundwater reducing water RUNOFF.

7.

Explain how groundwater is recharged.write in three line

Answer»

ong>Answer:

Groundwater is recharged naturally by rain and snow MELT and to a smaller EXTENT by surface water (rivers and lakes). ... Recharge can help move excess salts that accumulate in the root ZONE to deeper soil layers, or into the groundwater SYSTEM. Tree roots increase water saturation into groundwater reducing water RUNOFF.

Discussion

8.	The ratio ofis close toVip(A) 2.5(B) 1.25(C) V3.5(D) 1.5
Answer» ong>Answer: I don't UNDERSTAND your QUESTION PLEASE MARK my answer as brainliest answer I will FOLLOW you please

8.

The ratio ofis close toVip(A) 2.5(B) 1.25(C) V3.5(D) 1.5

Answer»

ong>Answer:

I don't UNDERSTAND your QUESTION PLEASE MARK my answer as brainliest answer I will FOLLOW you please

Discussion

9.	Calculate the Bond length if HCL molecule if it's moment of inertia is 2.71×10 ^-40gcm and reduced is 1.63×10^-24g.
Answer» ONG>Answer: I'm very very SORRY don't worry please sorry I'm not UNDERSTAND this question

Discussion

10.	Why LPG is used as cooking gas?
Answer» ong>Answer: LPG is a highly efficient cooking fuel. It is economical and its excellent heating capacity HELPS you cook your food in less time, saving you a lot on fuel cost. It UNDERGOES COMPLETE combustion, produces no residue and particulate matter, which MEANS minimum maintenance cost and LESSER carbon footprint.

10.

Why LPG is used as cooking gas?

Answer»

ong>Answer:

LPG is a highly efficient cooking fuel. It is economical and its excellent heating capacity HELPS you cook your food in less time, saving you a lot on fuel cost. It UNDERGOES COMPLETE combustion, produces no residue and particulate matter, which MEANS minimum maintenance cost and LESSER carbon footprint.

Discussion

11.	The uncertainity in position of an electron is where I is the de-Broglie wavelength. The uncertainity in velocity will be 4 (A) (B) v (C) 3V (D) 146
Answer» ong>ANSWER: PLEASE mark my answer as brainliest answer I will FOLLOW you

11.

The uncertainity in position of an electron is where I is the de-Broglie wavelength. The uncertainity in velocity will be 4 (A) (B) v (C) 3V (D) 146

Answer»

ong>ANSWER:

PLEASE mark my answer as brainliest answer I will FOLLOW you

Discussion

12.	Which of the following sets of particles represents an ion? A) 19 protons, 19 neutrons, and 19 electrons B) 20 protons, 19 neutrons, and 20 electrons C) 19 protons, 20 neutrons, and 19 electrons D) 19 protons, 19 neutrons, and 18 electrons
Answer» 9 protons, 19 neutrons, and 18 ELECTRONS

Discussion

13.	What do you mean by stong electrolytes and weak electrolytes?
Answer» ong>ANSWER: Strong ELECTROLYTES ionize completely (100%), while weak electrolytes ionize only PARTIALLY (usually on the order of 1–10%).

13.

What do you mean by stong electrolytes and weak electrolytes?

Answer»

ong>ANSWER:

Strong ELECTROLYTES ionize completely (100%), while weak electrolytes ionize only PARTIALLY (usually on the order of 1–10%).

Discussion

14.	150.pls answer it.......
Answer» ong>ANSWER: answer is the option a it is SYMBOL of WAVEFUNCTION

14.

150.pls answer it.......

Answer»

ong>ANSWER:

answer is the option a it is SYMBOL of WAVEFUNCTION

Discussion

15.	The de-Broglie wavelength associated with a photo electron varies with frequency (v) of the incident radiation as (2-threshold frequency) Σ (Α) λα (ν) 1/2 Σ (Β) λα (ν) 1a 1 (C) λα (D) λα (ν) 145
Answer» ONG>Answer: good night my friends STAY safe Explanation: good night my friends stay safe Hope you GET all THINGS whatever u want

15.

The de-Broglie wavelength associated with a photo electron varies with frequency (v) of the incident radiation as (2-threshold frequency) Σ (Α) λα (ν) 1/2 Σ (Β) λα (ν) 1a 1 (C) λα (D) λα (ν) 145

Answer» ONG>Answer:

good night my friends STAY safe

Explanation:

good night my friends stay safe

Hope you GET all THINGS whatever u want

Discussion

16.	Sodium chloride salt is used for cooking It is formed when hydoro chloric acid isadded to sodium hydroxide solution aboth of which are corrosive in nature.But sodium chloride is not . Give reasons.
Answer» ONG>Answer: agiufetjngd gghd gyub fdar ghkb b z G UNIT get V gag the the tu r SH u ru ud the cbguh

Discussion

17.	Find the number of gram molecular mass(GMM)present in 56g Nitrogen[Molecular mass of nitrogen is 28]
Answer» ONG>Explanation: nitrogen(N2) has a molecuar mass of 28 (N+N=14+14 because atomic mass of nitrogen atom is 14), this means its WEIGHT is 28 g per mole. A mole is 6.02214151023molecules (Avogadro 's number). HOPE* IT HELPS PLZ MARK AS BRAINLIST ANSWER PLZZZZZZ

17.

Find the number of gram molecular mass(GMM)present in 56g Nitrogen[Molecular mass of nitrogen is 28]

Answer» ONG>Explanation:

nitrogen(N2) has a molecuar mass of 28 (N+N=14+14 because atomic mass of nitrogen atom is 14), this means its WEIGHT is 28 g per mole. A mole is 6.0221415*1023molecules (Avogadro 's number).

HOPE IT HELPS PLZ MARK AS BRAINLIST ANSWER PLZZZZZZ

Discussion

18.	What are the characteristics of the atom of an element, according to the atomic theory?
Answer» Atoms themselves are composed of protons, NEUTRONS, and ELECTRONS. Each element has its own atomic NUMBER, which is equal to the number of protons in its nucleus. Isotopes of an element contain DIFFERENT numbers of neutrons. ELEMENTS are represented by an atomic symbol.

Discussion

19.	Heya mates help pls!!! itz CHEMISTRYHey Samir!!I'm a student of ICSE board...
Answer» RONG>Hello, Fe2O3 + 3H2 → 2Fe + 3H2O 2H2O2 → 2H2O + O2 2Al + 6HCl → 2AlCl3 + 3H2 2Al + 3FeO → AL2O3 + 3Fe THANKS, please MARK as Brainliest

19.

Heya mates help pls!!! itz CHEMISTRYHey Samir!!I'm a student of ICSE board...

Answer» RONG>Hello,

Fe2O3 + 3H2 → 2Fe + 3H2O
2H2O2 → 2H2O + O2
2Al + 6HCl → 2AlCl3 + 3H2
2Al + 3FeO → AL2O3 + 3Fe

THANKS,

please MARK as Brainliest

Discussion

20.	The period in which s-block, p-block and d-block elements are present.
Answer» ong>Explanation: 4rth,5th,and 6TH PERIOD have all these block ELEMENTS

20.

The period in which s-block, p-block and d-block elements are present.

Answer»

ong>Explanation:

4rth,5th,and 6TH PERIOD have all these block ELEMENTS

Discussion

21.	Is this exothermic when silver chloride is exposed to sun
Answer» ONG>Answer: when silver CHLORIDE is EXPOSED to

Discussion

22.	Who was the king of my sore palce
Answer» ong>EXPLANATION: Jayachamaraja Wodeyar Maharaja of Mysore Mysore Kings (1399–present) Feudatory Monarchy (As VASSALS of Vijayanagara Empire) (1399–1553) Jayachamaraja Wodeyar (1950–1974) Srikanta Wodeyar (1974–2013) Yaduveera CHAMARAJA Wadiyar (2015–present)

22.

Who was the king of my sore palce

Answer»

ong>EXPLANATION:

Jayachamaraja Wodeyar

Maharaja of Mysore

Mysore Kings (1399–present)

Feudatory Monarchy (As VASSALS of Vijayanagara Empire) (1399–1553)

Jayachamaraja Wodeyar (1950–1974)

Srikanta Wodeyar (1974–2013)

Yaduveera CHAMARAJA Wadiyar (2015–present)

Discussion

23.	Which ion has the stable electronic configuration?Ni2+ or Fe3+.
Answer» ong>ANSWER: iron Explanation: by losing 3 ELECTRONS it AQUIRE stable CONFIGURATION

23.

Which ion has the stable electronic configuration?Ni2+ or Fe3+.

Answer»

ong>ANSWER:

iron

Explanation:

by losing 3 ELECTRONS it AQUIRE stable CONFIGURATION

Discussion

24.	Calculate the mass of0.2 mole of butane
Answer» ong>Answer: 11.6 g........ Explanation: 1 MOLE 4 C 10 H 58G so 0.2 mole that's 58 into 0.2 11.6

24.

Calculate the mass of0.2 mole of butane

Answer»

ong>Answer:

11.6 g........

Explanation:

1 MOLE

4 C 10 H

58G so 0.2 mole that's 58 into 0.2

11.6

Discussion

25.	If cyanic and isocyanic acids lose a proton,will they yield the same anion? Explain with illustration
Answer» ong>Answer: Cyanic acid (H-0-C=N) and isocyanic acid (H- N=C=O) differ in the POSITIONS of their electrons but their STRUCTURES do not represent resonance structures. ... (B) Loss of a PROTON from cyanic acid yields the same anion as that obtained by loss of a proton from isocyanic acid. mark me as brainliest...........

25.

If cyanic and isocyanic acids lose a proton,will they yield the same anion? Explain with illustration

Answer»

ong>Answer:

Cyanic acid (H-0-C=N) and isocyanic acid (H- N=C=O) differ in the POSITIONS of their electrons but their STRUCTURES do not represent resonance structures. ... (B) Loss of a PROTON from cyanic acid yields the same anion as that obtained by loss of a proton from isocyanic acid.

mark me as brainliest...........

Discussion

26.	According to the temperature of quotient equation decreasing the temperature of 10 degree the rate of reaction becomes a.1/2 b.2/3 c.1 d.2
Answer» N temperature of the reaction medium is decreased by 10°C , the rate of reaction becomes ½. This value is obtained from various experimental procedures. It is usually OBSERVED that when the temperature of the reaction medium is INCREASED by 10°C , the rate of reaction CHANGES by a factor of 2. It is also referred to as the Q_(10) temperature coefficient It is defined as the change in biochemical RATES when the system temperature changes by 10° C. $\boxed{ \sf{Q_{10} = { \bigg( \dfrac{R_{2}}{R_{1}} \bigg )}^{ \frac{10}{ T2 - T1} } }}$ "R" stands for rate of reaction , "T" refers to temperature of medium.

26.

According to the temperature of quotient equation decreasing the temperature of 10 degree the rate of reaction becomes a.1/2 b.2/3 c.1 d.2

Answer» N temperature of the reaction medium is decreased by 10°C , the rate of reaction becomes ½.

This value is obtained from various experimental procedures.

It is usually OBSERVED that when the temperature of the reaction medium is INCREASED by 10°C , the rate of reaction CHANGES by a factor of 2.

It is also referred to as the Q_(10) temperature coefficient

It is defined as the change in biochemical RATES when the system temperature changes by 10° C.

$\boxed{ \sf{Q_{10} = { \bigg( \dfrac{R_{2}}{R_{1}} \bigg )}^{ \frac{10}{ T2 - T1} } }}$

"R" stands for rate of reaction , "T" refers to temperature of medium.

Discussion

27.	The uncertainity in the position of moving bullet of mass 10 gm is 10-5 m. The uncertainity in its velocity is (A) 5.2 x 10-28m/ sec(B) 3.0 x 10-2828 m/ sec(C) 5.2 x 10-22m/ sec(D) 3 x 10-22m/sech
Answer» ONG>ANSWER: OPTION 2 is your answer

Discussion

28.	Which subshell among the following has the highest energy?(2p,4s,3d,3p)
Answer» ong>Answer: 3d Explanation: according to n+l RULE it has HIGHEST VALUE

28.

Which subshell among the following has the highest energy?(2p,4s,3d,3p)

Answer»

ong>Answer:

3d

Explanation:

according to n+l RULE it has HIGHEST VALUE

Discussion

29.	Explain how groundwater is recharged.write in three line
Answer» ONG>Answer: Groundwater recharge or deep drainage or deep percolation is a hydrologic process, where water moves downward from surface water to groundwater. ... Groundwater is recharged naturally by rain and snow MELT and to a smaller extent by surface water (RIVERS and LAKES). Explanation: I hope it helps you ☺️ please make me as Brainliest

29.

Explain how groundwater is recharged.write in three line

Answer» ONG>Answer:

Groundwater recharge or deep drainage or deep percolation is a hydrologic process, where water moves downward from surface water to groundwater. ...

Groundwater is recharged naturally by rain and snow MELT and to a smaller extent by surface water (RIVERS and LAKES).

Explanation:

I hope it helps you ☺️

please make me as Brainliest

Discussion

30.	Match the following a) k2co3 b) Na2O c) HNO3 d) So2 a)624 b)1384 c)644 d)634
Answer» ONG>Answer: 643464673864657343434676373437 Explanation: gwjsjdjd

30.

Match the following a) k2co3 b) Na2O c) HNO3 d) So2 a)624 b)1384 c)644 d)634

Answer» ONG>Answer:

643464673864657343434676373437

Explanation:

gwjsjdjd

Discussion

31.	The uncertainity in the position of moving bullet of mass 10 gm is 10-5 m. The uncertainity in its velocity is (A) 5.2 x 10-28m/ sec(B) 3.0 x 10-28m/sec(C) 5.2 x 10-22m/sec(D) 3 x 10-22m/ sec
Answer» ONG>ANSWER: The answer is a OPTION A Mark me Brainliest

31.

The uncertainity in the position of moving bullet of mass 10 gm is 10-5 m. The uncertainity in its velocity is (A) 5.2 x 10-28m/ sec(B) 3.0 x 10-28m/sec(C) 5.2 x 10-22m/sec(D) 3 x 10-22m/ sec

Answer» ONG>ANSWER:

The answer is a OPTION A

Mark me Brainliest

Discussion

32.	On dissolving moderate amount of sodium metal in liquid NHg at low temperature, which one of the following does not occur (A) Blue coloured solution is due to ammoniated electrons(B) Liq NHbecomes good conductor of electricity(C) Liq NH, solution is paramagnetic(D) Liq NH, solution is diamagnetic
Answer» ong>ANSWER: correct answer is (D)LIQ. NH, SOLUTION is diamagnetic

32.

On dissolving moderate amount of sodium metal in liquid NHg at low temperature, which one of the following does not occur (A) Blue coloured solution is due to ammoniated electrons(B) Liq NHbecomes good conductor of electricity(C) Liq NH, solution is paramagnetic(D) Liq NH, solution is diamagnetic

Answer»

ong>ANSWER:

correct answer is (D)LIQ. NH, SOLUTION is diamagnetic

Discussion

33.	Why does velocity gets changed with the change in temperature
Answer» ong>ANSWER: At HIGHER TEMPERATURES, molecules have greater kinetic energy, and as they MOVE faster their collisions occur at greater frequency and they carry sound waves faster. Greater kinetic energy = less INERTIA = increased speed.

33.

Why does velocity gets changed with the change in temperature

Answer»

ong>ANSWER:

At HIGHER TEMPERATURES, molecules have greater kinetic energy, and as they MOVE faster their collisions occur at greater frequency and they carry sound waves faster. Greater kinetic energy = less INERTIA = increased speed.

Discussion

34.	Which of the following order is not correct as per the property indicated against it (A) LI
Answer» ONG>ANSWER: EXPLANATION: B

34.

Which of the following order is not correct as per the property indicated against it (A) LI

Answer» ONG>ANSWER:

EXPLANATION:

B

Discussion

35.	What is refractory substance? what are the characteristics of good refractory?
Answer» ong>Answer: A refractory MATERIAL or refractory is a material that is resistant to decomposition by heat, pressure, or chemical attack, and retains strength and form at high temperatures.[1] Refractories are inorganic, nonmetallic, porous, and heterogeneous. They are typically COMPOSED of oxides of the following materials: silicon, aluminium, magnesium, calcium, and zirconium.[2] ASTM C71 DEFINES refractories as "...non-metallic materials having those chemical and physical properties that make them applicable for structures, or as components of systems, that are exposed to environments above 1,000 °F (811 K; 538 °C)."[3] Refractory materials are used in furnaces, kilns, incinerators, and reactors. Refractories are also used to make crucibles and moulds for casting glass and metals and for surfacing flame deflector systems for rocket launch structures.[4] Today, the iron- and steel-industry and metal casting SECTORS use approximately 70% of all refractories produced.[5] EXPLANATION:

35.

What is refractory substance? what are the characteristics of good refractory?

Answer»

ong>Answer:

A refractory MATERIAL or refractory is a material that is resistant to decomposition by heat, pressure, or chemical attack, and retains strength and form at high temperatures.[1] Refractories are inorganic, nonmetallic, porous, and heterogeneous. They are typically COMPOSED of oxides of the following materials: silicon, aluminium, magnesium, calcium, and zirconium.[2]

ASTM C71 DEFINES refractories as "...non-metallic materials having those chemical and physical properties that make them applicable for structures, or as components of systems, that are exposed to environments above 1,000 °F (811 K; 538 °C)."[3]

Refractory materials are used in furnaces, kilns, incinerators, and reactors. Refractories are also used to make crucibles and moulds for casting glass and metals and for surfacing flame deflector systems for rocket launch structures.[4] Today, the iron- and steel-industry and metal casting SECTORS use approximately 70% of all refractories produced.[5]

EXPLANATION:

Discussion

36.	Explain how groundwater is recharged.write in four line
Answer» ong>Answer: Groundwater recharge or deep drainage or deep percolation is a HYDROLOGIC process, where water moves downward from SURFACE water to groundwater. ... Groundwater is recharged NATURALLY by rain and snow melt and to a smaller extent by surface water (rivers and lakes).

36.

Explain how groundwater is recharged.write in four line

Answer»

ong>Answer:

Groundwater recharge or deep drainage or deep percolation is a HYDROLOGIC process, where water moves downward from SURFACE water to groundwater. ...

Groundwater is recharged NATURALLY by rain and snow melt and to a smaller extent by surface water (rivers and lakes).

Discussion

37.	ਜਗਤਾਰ ਸਿੰਘ ਨੇ ਆਪਣੇ ਵਿਦਿਆਰਥੀਆਂ ਨੂੰ ਲੇਖ ਲਿਖਣ ਲਈ ਦਿੱਤਾ। ਉਸਨੇ ਵਿਦਿਆਰਥੀਆਂ ਨੂੰ ਇਹ ਇਸ਼ਾਰਾ ਦਿੱਤਾ ਕਿ "ਬੱਚਿਓ! ਤੁਸੀਂ ਉਸ ਸੰਘਰਸ਼ ਬਾਰੇ ਦੱਸੋ ਜੋ ਲਗਪਗ 200 ਸਾਲ ਤੱਕ ਚਲਦਾ ਰਿਹਾ। ਇਸ ਸੰਘਰਸ਼ ਦਾ ਕੇਂਦਰ ਆਧੁਨਿਕ ਉੱਤਰ ਪ੍ਰਦੇਸ਼ ਸੀ।" ਕੀ ਤੁਸੀਂ ਦੱਸ ਸਕਦੇ ਹੋ ਕਿ ਜਗਤਾਰ ਸਿੰਘ ਨੇ ਕਿਸ ਵਿਸ਼ੇ 'ਤੇ ਲੇਖ ਲਿਖਣ ਲਈ ਕਿਹਾ?
Answer» ong>Answer: answer ਜਗਤਾਰ ਸਿੰਘ ਨੇ ਆਪਣੇ ਵਿਦਿਆਰਥੀਆਂ ਨੂੰ ਲੇਖ ਲਿਖਣ ਲਈ ਦਿੱਤਾ। ਉਸਨੇ ਵਿਦਿਆਰਥੀਆਂ ਨੂੰ ਇਹ ਇਸ਼ਾਰਾ ਦਿੱਤਾ ਕਿ "ਬੱਚਿਓ! ਤੁਸੀਂ ਉਸ ਸੰਘਰਸ਼ ਬਾਰੇ ਦੱਸੋ ਜੋ ਲਗਪਗ 200 ਸਾਲ ਤੱਕ ਚਲਦਾ ਰਿਹਾ। ਇਸ ਸੰਘਰਸ਼ ਦਾ ਕੇਂਦਰ ਆਧੁਨਿਕ ਉੱਤਰ ਪ੍ਰਦੇਸ਼ ਸੀ।" ਕੀ ਤੁਸੀਂ ਦੱਸ ਸਕਦੇ ਹੋ ਕਿ ਜਗਤਾਰ ਸਿੰਘ ਨੇ ਕਿਸ ਵਿਸ਼ੇ 'ਤੇ ਲੇਖ ਲਿਖਣ ਲਈ ਕਿਹਾ? EXPLANATION: Long Answer Type Questions. What were the three fallacious MEASURES of Mohammad-bin Tughlaq?

37.

ਜਗਤਾਰ ਸਿੰਘ ਨੇ ਆਪਣੇ ਵਿਦਿਆਰਥੀਆਂ ਨੂੰ ਲੇਖ ਲਿਖਣ ਲਈ ਦਿੱਤਾ। ਉਸਨੇ ਵਿਦਿਆਰਥੀਆਂ ਨੂੰ ਇਹ ਇਸ਼ਾਰਾ ਦਿੱਤਾ ਕਿ "ਬੱਚਿਓ! ਤੁਸੀਂ ਉਸ ਸੰਘਰਸ਼ ਬਾਰੇ ਦੱਸੋ ਜੋ ਲਗਪਗ 200 ਸਾਲ ਤੱਕ ਚਲਦਾ ਰਿਹਾ। ਇਸ ਸੰਘਰਸ਼ ਦਾ ਕੇਂਦਰ ਆਧੁਨਿਕ ਉੱਤਰ ਪ੍ਰਦੇਸ਼ ਸੀ।" ਕੀ ਤੁਸੀਂ ਦੱਸ ਸਕਦੇ ਹੋ ਕਿ ਜਗਤਾਰ ਸਿੰਘ ਨੇ ਕਿਸ ਵਿਸ਼ੇ 'ਤੇ ਲੇਖ ਲਿਖਣ ਲਈ ਕਿਹਾ?

Answer»

ong>Answer:

answer ਜਗਤਾਰ ਸਿੰਘ ਨੇ ਆਪਣੇ ਵਿਦਿਆਰਥੀਆਂ ਨੂੰ ਲੇਖ ਲਿਖਣ ਲਈ ਦਿੱਤਾ। ਉਸਨੇ ਵਿਦਿਆਰਥੀਆਂ ਨੂੰ ਇਹ ਇਸ਼ਾਰਾ ਦਿੱਤਾ ਕਿ "ਬੱਚਿਓ! ਤੁਸੀਂ ਉਸ ਸੰਘਰਸ਼ ਬਾਰੇ ਦੱਸੋ ਜੋ ਲਗਪਗ 200 ਸਾਲ ਤੱਕ ਚਲਦਾ ਰਿਹਾ। ਇਸ ਸੰਘਰਸ਼ ਦਾ ਕੇਂਦਰ ਆਧੁਨਿਕ ਉੱਤਰ ਪ੍ਰਦੇਸ਼ ਸੀ।" ਕੀ ਤੁਸੀਂ ਦੱਸ ਸਕਦੇ ਹੋ ਕਿ ਜਗਤਾਰ ਸਿੰਘ ਨੇ ਕਿਸ ਵਿਸ਼ੇ 'ਤੇ ਲੇਖ ਲਿਖਣ ਲਈ ਕਿਹਾ?

EXPLANATION:

Long Answer Type Questions. What were the three fallacious MEASURES of Mohammad-bin Tughlaq?

Discussion

38.	The Formula Of Sulphate Of Metal a M is M2SO4, Determine The Valancy Of The Metal M And Predict Of It's Dichromate , Carbide , Nitrate And Phosphate please guys do it fast I have to write it down somewhere and the one who will give correct answer I'll give five star rating and heart and brainliest answer badge so please help me
Answer» of METAL is 1 Dichromate M2Cr2O7 ; VALENCY =1 MNO3( NITRATE) valency 1

Discussion

39.	Define boiling. Why does temperature remain constant during boiling till all the liquid has changed to vapor?(2)
Answer» ING is the rapid vaporization of a liquid, which occurs when a liquid is heated to its boiling POINT, When boiling occurs, the more energetic molecules change to a gas, spread out, and form bubbles. These rise to the surface and ENTER the atmosphere. ... In addition, gas molecules leaving the liquid remove thermal ENERGY from the liquid. Therefore the TEMPERATURE of the liquid remains constant during boiling.

39.

Define boiling. Why does temperature remain constant during boiling till all the liquid has changed to vapor?(2)

Answer» ING is the rapid vaporization of a liquid, which occurs when a liquid is heated to its boiling POINT,

When boiling occurs, the more energetic molecules change to a gas, spread out, and form bubbles. These rise to the surface and ENTER the atmosphere. ... In addition, gas molecules leaving the liquid remove thermal ENERGY from the liquid. Therefore the TEMPERATURE of the liquid remains constant during boiling.

Discussion

40.	28. Complete and balance the following equations - a. Cu(NO3)2 + H250.-b. MgCO, + CH3COOHc. NaHCO, + H2SO4
Answer» ONG>Answer: cus04+hno3..................... Explanation: PLZ MARK me BRAINLIEST

40.

28. Complete and balance the following equations - a. Cu(NO3)2 + H250.-b. MgCO, + CH3COOHc. NaHCO, + H2SO4

Answer» ONG>Answer:

cus04+hno3.....................

Explanation:

PLZ MARK me BRAINLIEST

Discussion

41.	प्रश्न 4. कोई 3 नारे लिखिए.
Answer» ONG>Answer: JAI Hind jai Bharat Jai JAWAN Jai किसान तुम हम खून दो हम तुम्हे आज़ादी denge xd PLEASE mark me as brainlist please

41.

प्रश्न 4. कोई 3 नारे लिखिए.

Answer» ONG>Answer:

JAI Hind jai Bharat

Jai JAWAN Jai किसान

तुम हम खून दो हम तुम्हे आज़ादी denge

xd

PLEASE mark me as brainlist please

Discussion

42.	Lithium halides are covalent. This is because of (A) High hydration enthalpy of Li ion(B) High polarisation capability of Li ion(C) Large size of Li+ ion when compared to other elements in the same group(D) All of these
Answer» ONG>ANSWER: ☞High hydration ENTHALPY of Li ion

42.

Lithium halides are covalent. This is because of (A) High hydration enthalpy of Li ion(B) High polarisation capability of Li ion(C) Large size of Li+ ion when compared to other elements in the same group(D) All of these

Answer» ONG>ANSWER:

☞High hydration ENTHALPY of Li ion

Discussion

43.	alkali metals shows different colours based on the flame test the incorrect match among the following a,. li- crimson red b. na - yellow c. cs- red violet. d. k- violet
Answer» ONG>Answer: NA -YELLOW.. Explanation: may it HELPS you PLZ mark me as brainlist and don't forget to follow me please..

43.

alkali metals shows different colours based on the flame test the incorrect match among the following a,. li- crimson red b. na - yellow c. cs- red violet. d. k- violet

Answer» ONG>Answer:

NA -YELLOW..

Explanation:

may it HELPS you PLZ mark me as brainlist and don't forget to follow me please..

Discussion

44.	Between potassium and water what cause fire in reaction
Answer» ong>Answer: Reaction of potassium with water The resulting solution is basic because of the dissolved hydroxide. The reaction is exothermic. EARLY in the reaction, the potassium METAL BECOMES so hot that it CATCHES fire and burns with a characteristic PALE lilac colour. HOPE IT HELPS NEHA

44.

Between potassium and water what cause fire in reaction

Answer»

ong>Answer:

Reaction of potassium with water

The resulting solution is basic because of the dissolved hydroxide. The reaction is exothermic. EARLY in the reaction, the potassium METAL BECOMES so hot that it CATCHES fire and burns with a characteristic PALE lilac colour.

HOPE IT HELPS

NEHA

Discussion

45.	⭐Explaination needed ⭐Please don't post spam and copied answers ___________________An organic compound containing carbon hydrogen and chlorine has 10% of carbon, 0.84 % of hydrogen and rest chlorine. what is the empirical formula of the compound.
Answer» ong>Answer: An organic compound CONTAINS 10% of carbon 0.84% of hydrogen ... Chlorine: 88.76gfind the no. of moles of each (no. of moles= total mass/ ATOMIC mass): ... Mass of C + Mass of H + Mass of 3 atoms of Cl= empirical formula mass ... EXPLANATION: c is 10. h is 0.84. but cl is rest. we know. molecular mass is 49. Mark me as brainliest..................

45.

⭐Explaination needed ⭐Please don't post spam and copied answers ___________________An organic compound containing carbon hydrogen and chlorine has 10% of carbon, 0.84 % of hydrogen and rest chlorine. what is the empirical formula of the compound.

Answer»

ong>Answer:

An organic compound CONTAINS 10% of carbon 0.84% of hydrogen ... Chlorine: 88.76gfind the no. of moles of each (no. of moles= total mass/ ATOMIC mass): ... Mass of C + Mass of H + Mass of 3 atoms of Cl= empirical formula mass ... EXPLANATION: c is 10. h is 0.84. but cl is rest. we know.

molecular mass is 49.

Mark me as brainliest..................

Discussion

46.	Orbital angular momentum depends = hence, it depends only on 'I' honpe it helps
Answer» ONG>ANSWER: This is the answer for your QUESTION

Discussion

47.	M + 02 (Excess) → MO2 (sup er oxide) The element 'M' cannot be(A) Li(B) K(C) Rb(D) Cs
Answer» ONG>ANSWER: The answer is a OPTION B mark me BRAINLIEST

47.

M + 02 (Excess) → MO2 (sup er oxide) The element 'M' cannot be(A) Li(B) K(C) Rb(D) Cs

Answer» ONG>ANSWER:

The answer is a OPTION B

mark me BRAINLIEST

Discussion

48.	Jaste ki tanu hidrocloric acid ke sath hone Vali abhikiriya likhe
Answer» i PHELE ENGLISH siikh KAR AAAA...

48.

Jaste ki tanu hidrocloric acid ke sath hone Vali abhikiriya likhe

Answer»

i PHELE ENGLISH siikh KAR AAAA...

Discussion

49.	जंग(Rust) की रासायनिक संरचना होती है।
Answer» ONG>ANSWER: I don't UNDERSTAND your QUESTION...

Discussion

50.	1. When .1 mole urea is dissolved in 9.9 mole water, what will be % increase or decrease in vapour pressur?
Answer» ONG>ANSWER: INCREASING PRESSURE You are from

50.

1. When .1 mole urea is dissolved in 9.9 mole water, what will be % increase or decrease in vapour pressur?

Answer» ONG>ANSWER:

INCREASING PRESSURE

You are from

Discussion

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Jaste ki tanu hidrocloric acid ke sath hone Vali abhikiriya likhe

जंग(Rust) की रासायनिक संरचना होती है।

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Explain how groundwater is recharged.write in three line

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What do you mean by stong electrolytes and weak electrolytes?

150.pls answer it.......

Sodium chloride salt is used for cooking It is formed when hydoro chloric acid isadded to sodium hydroxide solution aboth of which are corrosive in nature.But sodium chloride is not . Give reasons.

Find the number of gram molecular mass(GMM)present in 56g Nitrogen[Molecular mass of nitrogen is 28]

What are the characteristics of the atom of an element, according to the atomic theory?

Heya mates help pls!!! itz CHEMISTRYHey Samir!!I'm a student of ICSE board...

The uncertainity in the position of moving bullet of mass 10 gm is 10-5 m. The uncertainity in its velocity is (A) 5.2 x 10-28m/ sec(B) 3.0 x 10-2828 m/ sec(C) 5.2 x 10-22m/ sec(D) 3 x 10-22m/sech

Which subshell among the following has the highest energy?(2p,4s,3d,3p)

Explain how groundwater is recharged.write in three line

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The uncertainity in the position of moving bullet of mass 10 gm is 10-5 m. The uncertainity in its velocity is (A) 5.2 x 10-28m/ sec(B) 3.0 x 10-28m/sec(C) 5.2 x 10-22m/sec(D) 3 x 10-22m/ sec

Why does velocity gets changed with the change in temperature

What is refractory substance? what are the characteristics of good refractory?

Explain how groundwater is recharged.write in four line

Define boiling. Why does temperature remain constant during boiling till all the liquid has changed to vapor?(2)

28. Complete and balance the following equations - a. Cu(NO3)2 + H250.-b. MgCO, + CH3COOHc. NaHCO, + H2SO4

प्रश्न 4. कोई 3 नारे लिखिए.

Lithium halides are covalent. This is because of (A) High hydration enthalpy of Li ion(B) High polarisation capability of Li ion(C) Large size of Li+ ion when compared to other elements in the same group(D) All of these

alkali metals shows different colours based on the flame test the incorrect match among the following a,. li- crimson red b. na - yellow c. cs- red violet. d. k- violet

⭐Explaination needed ⭐Please don't post spam and copied answers ___________________An organic compound containing carbon hydrogen and chlorine has 10% of carbon, 0.84 % of hydrogen and rest chlorine. what is the empirical formula of the compound.

Orbital angular momentum depends = hence, it depends only on 'I' honpe it helps

M + 02 (Excess) → MO2 (sup er oxide) The element 'M' cannot be(A) Li(B) K(C) Rb(D) Cs