Explore topic-wise InterviewSolutions in Current Affairs.

This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

1.

13. What is screening effect ? How does it affect the nature of bonding between two atoms?​

Answer»

Answer:

The PHENOMENON which occurs when the nucleus reduces its force of attraction on the valence electrons due to the presence of electrons in the inner-shell. This is KNOWN as a screening effect. ... As the attraction between the nucleus decreases, the repulsion increases between the inner electrons and OUTER electrons.

2.

B)(CH3)2 CO nameing​

Answer»

Answer:

ETHANOL is the CORRECT answer and MARK me as brainlist and follow me

3.

3. A glowing splinter brought in a jar full of oxygen willa. stop glowing at onceb. burns into flamesc. give out smoked. none of these​

Answer»

ANSWER:

STOP GLOWING at once csvsvsghsuzjsb hshdgsv sxjndbdvdge

4.

0.24g of volatile gas , upon vapourisation , gives 45 mL vapour at STP . what will be the vapour density of the substance?[density of H2 =0.089]

Answer»

Answer:

EXPLANATION:

Thanks the other hand if you have any QUESTIONS please LET us KNOW if there are not the

5.

3. After fixing the mechanical teacher, the big screen displayed(a) Margie's face(b) All the lessons and questions asked(c) A real book(d) None of the abovethe real book do?11​

Answer»

ANSWER:

A REAL BOOK

EXPLANATION:

this is the answer

6.

(A) Half life period of the first order reaction is 15 minutes. Calculate the timerequired for 90% completion.​

Answer»

Answer:

20000000000000000000000

Explanation:

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7.

How to prepare m-nitrophenol from benzene

Answer»

Explanation:

m-Nitrophenol can be PREPARED by diazotizing m-nitroaniline and subsequently heating with a large VOLUME of WATER;1 by treating benzene with MERCURY nitrate and nitric acid in an atmosphere of carbon dioxide;2 and by boiling m-nitrophenetole (from phenacetin by nitration, hydrolysis, and diazotization in alcohol) with ...

8.

Calculate the number of proton at NTP in 2.8l of oxygen gaswhich contain only O16​

Answer»

ANSWER:

geswhich CONTAIN only 16

9.

Jitni jaldi ho sake sab delete delete kar do yah faltu rap Hai Life Barbad karke rakh degam​

Answer»

Answer:

Explanation:

Sorry what is the PROBLEM you are facing. CONTACT to the mods to SOLVE it

10.

I choosethatnismthe compound from the followingwillreact fastest by SN mecha.​

Answer»

ANSWER:

snsheve kk it's sjksgsnsks HG d bb ebsshssjbsgsssjs HI shsnshzhsjushzvzjjssjsbnzdx just gdhdjjdhhdhhdhdhjdjjhddggfjs KM db djvdjdhdhjdjsfehej

11.

1. Draw shapes of 2s and 2p orbitals.​

Answer»

here is your ANSWER MAY be it will helpfull for U

12.

Hai map sis are you here​

Answer»

.......(•‿•)(•‿•)(•‿•)

........◉‿◉◉‿◉◉‿◉

..........(✷‿✷)(✷‿✷)(✷‿✷)

13.

Periodic table has 7 ---------?​

Answer»

ANSWER:

ROWS...........

HOPE it will HELP you ...THANK you

14.

Write scientific notation for adding 5.55×10⁴ and 6.55×10³​

Answer»

Answer:

6.20 × 10⁴

Explanation:

[6.55× 10³= 0.655×10⁴]

5.55× 10⁴ + 0.655× 10⁴

= (5.55+0.655) × 10⁴

= 6.20×10⁴

15.

Things become weak due to (a) corrosion (b) expansion (c) contraction​

Answer»

ANSWER:

corrosion

Explanation:

HOPE it HELPED!!!

16.

Calculate the number of atoms in FCC unit cell ​

Answer»

Explanation:

A FCC unit cell contains four ATOMS: one-eighth of an atom at each of the eight corners (8×18=1 8 × 1 8 = 1 atom from the corners) and one-half of an atom on each of the six FACES (6×12=3 6 × 1 2 = 3 atoms from the faces).

17.

Define estrification with example.....​

Answer»

Explanation:

Some ESTERS can be prepared by esterification, a reaction in which a carboxylic acid and an ALCOHOL, HEATED in the presence of a mineral acid catalyst, FORM an ester and WATER: The reaction is reversible. As a specific example of an esterification reaction, butyl acetate can be made from acetic acid and 1-butanol.

18.

magsaliksik ng epiko ng dalawang bansa sa kanluran at paghambingin gamit ang venb diagram .pagkatapos ay sumulat ng maikling sanaysay tungkol sa pananaw mo sa pagkakaiba at pagkakatulad ng mga ito​

Answer»

Answer:

magsaliksik ng epiko ng dalawang bansa sa kanluran at paghambingin gamit ANG venb diagram .pagkatapos AY sumulat ng maikling sanaysay tungkol sa pananaw MO sa pagkakaiba at pagkakatulad ng MGA ito

Explanation:

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19.

Explain the tetravalency ofcarbon.​

Answer»

Answer:

As carbon possesses ATOMIC number 6, it means that carbon atom has a TOTAL of 6 electrons. ... Thus, carbon is tetravalent (It means valency of carbon is 4.) and can form 4 covalent bonds with not only other atoms but other carbon atoms as WELL. This is called tetravalency of carbon.

hope it helps

20.

1. A tube of sugar solution 20 cm long is placed between crossed nicols and illuminated withlight of wavelength 6 x 10-4 If the optical rotation produced is 13º and the specific rotation is65°, determine the strength of the solutionA/0.1 g/ccB. 0.2 g/ccC. 0.9 gccD. 1.0 g/cc​

Answer»

EXPLANATION:

A TUBE of sugar solution 20 cm long is PLACED between crossed nicols and illuminated with LIGHT of wavelength

cm If the optical rotation PRODUCED is

and the specific rotation is

determine the strength of the solution

Answer A 0.1g/cc

21.

अक-03Find the coordinates of the point which is on Y-axis andwhich is equidistant from points (5,-2) and (3,4).6 मूल बिंदु से होकर जाने वाली उस सरल रेखा की प्रवणता ज्ञातकीजिए जो बिंदु (2.3) से भी होकर जाती है।अंक-02Find the slope of the line which passes though origin andalso passes though point (23)​

Answer»

EXPLANATION:

PLEASE GIVE me a 50PTS question I will be follow you

22.

5.6l of methane gas is ignited in oxygen gas. Calcate the number of moles of carbondioxide formed?

Answer»

ANSWER:

Explanation:

CH4 + 2O2 = CO2 + 2H20

No.of MOL of CH4 = 5.6/22.4 = 0.25 mol

According to the stoichiometry of the reaction

1 mol of CH4 = 1 mol of CO2

Hence, 0.25 mol of CH4 = 0.25 mol of CO2

23.

40,-80, 160,-320,...??​

Answer»

ANSWER:

-200 is the answer

Explanation:

I THINK this is the answer ACCORDING to my CALCULATIONS

24.

In radioactive element if half life of carbon is 78 N0 is 100 and Nt is 88 then find Lambda and t ​

Answer»

Answer:

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25.

Water exists in all the three states . discuss​

Answer»

ANSWER:

FIRST

LIQUID FORM

second

freezed form

third

vapour form

26.

9. Which alcohol will undergo dehydration easily to give alkene in the presence of acidic dichromate(A) Primary alcohol(B) Secondary alcohol(C) Tertiary alcohol(D) All above​

Answer»

ANSWER:

d) All above

This is your CORRECT answer

27.

Give the sets of electrolytes which Can beused to find the equivalent Conductance ofi) CH3COOH ii) NH4 oH iii) KOH iv) H2O​

Answer»

EXPLANATION:

ndbdbdbdbdhdndn dndndfbbfbdndndndndbddndn d dfnnd d ddnd

28.

3 Drow a figure showing the path ofof light at an anglefrom ar to water, send pic of diagramroyenkering​

Answer»

ANSWER:

I don't no this answer PLEASE MARK me as brainylist

29.

Ac93) Which of the following alkane obtain whensodium salt of propanoic acid is treated withsoda-lime ?(a) Methane(b) Ethane(c) Propane(d) Butane​

Answer»

ANSWER:

Propane

Explanation:

HOPE it HELPS you

30.

05 Identity 'A' and 'B' in following reactions and rewrite C2H50H no metal A) C2H3Br B)​

Answer»

Answer:

Simultaneous ACE (Atmospheric Chemistry Experiment) upper tropospheric CO, C2H6, HCN, CH3Cl, CH4 , C2H2 , CH30H, HCOOH, and OCS MEASUREMENTS show plumes up to 185 ppbv (10 (exp -9) per unit volume) for CO, 1.36 ppbv for C2H6, 755 pptv (10(exp -12) per unit volume) for HCN, 1.12 ppbv for CH3C1, 1.82 ppmv, (10(exp -6) per unit volume) for CH4, 0.178 ppbv for C2H2, 3.89 ppbv for CH30H, 0.843 ppbv for HCOOH,

31.

In radioactive element t1/2=78h No =100 Nt=88 then find Lambda and t​

Answer»

Answer:

SRY but gotta do this..!!

EXPLANATION:

THNX

32.

17. A hydrocarbon which is liquid at room temperature de colourizes aqueous solution of bromine. The formula of the compound is:(A) C2H2(B) C2H4(C) C7H16(D) C10H20​

Answer»

ANSWER:

C I THINK okkkkklkkkkkkkkkkk

33.

find the empirical and molecular formula for the compound which contains 51.28%of carbon,9.40% of hydrogen 27.35% of oxygen and 11.97%g nitrogen molar mass of the compound is 234g/mol

Answer»

Answer:

Here is the CORRECT answer

Explanation:

Divide all the percentages with atomic mass,

Carbon 49.2

12

49.2

=4.1 3

Hydrogen 9.68

1

9.68

=9.68 9

Nitrogen 19.9

14

19.9

=1.4 1

Oxygen 21.22

16

21.22

=1.3 1

Empirical FORMULA will be C

3

H

9

NO

(Emperical formula wt)

n

=146

(75)

n

=146 or n=2,

Molecular will be C

6

H

18

N

2

O

2

34.

Write structure qnd common name of 2-methyl propane​

Answer»

Isobutane, ALSO known as i-butane, 2-methylpropane or methylpropane, is a chemical compound with molecular formula HC(CH3)3. It is an isomer of butane. Isobutane is a colourless, odourless GAS. It is the simplest ALKANE with a tertiary carbon.

35.

Give reason Atoms are electrically neutron​

Answer»

Explanation:

Atoms are electrically neutral because they have equal NUMBERS of protons (positively CHARGED) and electrons (negatively charged). If an atom gains or LOSES ONE or more electrons, it becomes an ion.

hope it helps

36.

Explain rate determining step.

Answer»

ANSWER:

here is your answer

please MARK me as BRAINLIST.

37.

Percentage by mass of oxygen in copper trioxocarbonate (vi)

Answer»

11.181 is ANSWER of this QUESTION

38.

Oxygen is paramagnetic. ​

Answer»

Electrons in OXYGEN are paired so oxygen should be diamagnetic but yet oxygen is PARAMAGNETIC last two electrons GO into SEPARATE , degenerate..

39.

Explain the chemical reactions with the help of balanced equations()Dilute HCI (hydrochloric acid) reacts with sodium bicarbonate​

Answer»

ANSWER:

qwertyuiopasdfghjklzxcvbnm

Explanation:

qwertyuiopasdfghjklzxcvbnm

40.

12. What is the full form of LED?​

Answer»

Answer:

LIGHT emitting DIODE is the full FORM of LED

41.

Full hand mehandi design for karva choth small girl made see this video and friendschannel name is bashu and divenshi vlogsapne mom ke liye apne sister ke liye see​

Answer»

ANSWER:

OHK...

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42.

Date:Page:*How long will it take 600ml of H2 gas todiffuse through a porous portion, If 300ml of O2gas diffuse through it in 10 minutes under identical condition?​

Answer»

Explanation:

ANSWER

According to Graham's law of diffusion,

RATE of diffusion =

t

V

M

1

[Here, M= molecular mass, V= volume and t= TIME]

Thus, for H

2

gas,

30

200

=k

2

1

......(i)

For O

2

gas,

t

50

=k

32

1

........(II)

where k is PROPORTIONALITY constant

From equations (i) and (ii), we get

30×50

200×t

=

2

32

t=

200

16

×30×50

=

4

4×30

=30 min

43.

nanika 26 yaar mein janty hu ki ye padahi ka aap hai falty ka yeelog meet ka link bhej dete hai yaar mujhe to cahiye rahata hai free points to mein aise likhti hu ki free points mil jata hai​

Answer»

Answer:

Radioactive elements are made up of atoms whose NUCLEI are unstable and GIVE off atomic radiation as PART of a process of ATTAINING stability.

44.

93. Which of the following alkane obtain whensodium salt of propanoic acid is treated withsoda-lime ?​

Answer»

ANSWER:

butane

Explanation:

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45.

Show that the molar volume of an ideal gas at NTP is 22.4L​

Answer»

EXPLANATION:

It is ALSO known that volume occupied by 1 mole of gas at NTP is 22.4 L. Substituting P=1 atm, T=293 K, R=0.0821 L atm K−1 mol−1, we get V=24.05 L as the molar volume.

hope it helps

46.

फ्रेंड लिस्ट ऑफ सोशल समतापी बकरों को समझाइए​

Answer»

ANSWER:

...............

EXPLANATION:

GOD BLESS you

47.

1. A flask contains 4.4 g of CO2 gas.a. Calculate how many moles of CO2 does it containsb. How many molecules of CO2 present.c. How many atoms of oxygen present.2. Calculate the number of SO3 molecule present in 44 g.3. Calculate the number of molecules of sulphur (S8) present in 128 g of sulphur.4. Which has more moleculea. 10 g of N2b. 10 g of O25. Which has more atomsa. 10 g of Cb. 10 g of CO26. Calculate the number of oxygen atoms present in 120 g of Nitric acid.7. Calculate the number of aluminium ion in 0.051 g of aluminium oxide.8. Calculate mass of 1 oxygen atom.9.10. Calculate the mass of 1.2044 x 1023 –molecules of O2.11. How many grams of sodium will have3 the same number of atoms as 6 g of magnesium?12. The mass of one molecule of a substance is 4.65 x 10-23 g. what is its molecular mass? Whatcould this substance be?

Answer»

ANSWER:

ye kya HAI i am hai STILL ROBOT

48.

. Prove that half life period of a zero order reaction is proportional to intialConcentration of reactant.

Answer»

EXPLANATION: correct. t1/2 is proportional to the initial CONCENTRATION of the REACTANT in case of a ZERO order reaction.

For a zero order reaction

-(Rt) = K.t + (Ro) so

T1/2 = 1/2K [Initial concentration]

49.

Conversion of benzene to iodo benzene​

Answer»

Answer:

Mark as brainlist..

Follow me...

EXPLANATION:

Iodobenzene can be made from the REACTION of BENZENE with iodine if they are heated under REFLUX in the PRESENCE of concentrated nitric acid, but it is normally made from benzenediazonium chloride solution.

50.

Cooking practices which lead to a loss of nutrients are *Taking off thick peels from fruits and vegetablesRepeated washing Rice and PulsesWashing of fruits and vegetables after they have been peeled and cutall of the above

Answer»

ANSWER:

All of the above is the answer