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.

Match the following columns:

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Answer :`(a RARR Q,r);(B rarr s);(C rarr p);(d rarr q)`
Discussion
2.

Match the following columns :

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SOLUTION :N//A
Discussion
3.

Match the following columns :

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SOLUTION :
Discussion
4.

Match the following columns :

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SOLUTION :
Discussion
5.

Match the following columns :

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SOLUTION :
Discussion
6.

Match the following columns :

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SOLUTION :N//A
Discussion
7.

Match the following columns :

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Solution :(a) PAIR A `to` Identical
(b) Pair B `to` Positional ISOMER
(c ) Formed by rotation ACROSS C-C BOND so cnformer
(d) They are GEOMETRICAL isomer so diasteromers
Discussion
8.

Match the following columns :

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Solution :(a) 2-chiral CENTRE, one-alkene which can show geometrical isomerism. `therefore` Stereoisomerism = 8
(B) 2-chiral centre , `therefore` stereoisomer `= 2 ^(2)=4`
( c) Copound is SYMMETRICAL and has even
`therefore a=2^(n-1)=2` (`alpha` = optically ACTIVE compound)
`m=2^(n/2-1)=1`
Total steroisomer a+m=3
(d) Total chiral centre is one
`thereforea=2^(1)=2`
Discussion
9.

Match the following columns :

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SOLUTION :N//A
Discussion
10.

Match the following columns :

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SOLUTION :N//A
Discussion
11.

Match the following columns :

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Solution :(a) DIFFERENT ALKLY group are attached on the two SIDES of `(-UNDERSET(O)underset(||)C-O-)` group and I st is Z in ring and II nd is E in ring.
(B) Position of gouble bond is different w.r.t. benzene and I st is Z in ring and II nd is E


Discussion
12.

Match the following columns :

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Solution :
DUE to PRESENCE of 7 carbon in MOLECULE
Discussion
13.

Match the following columns :

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SOLUTION :
Both are tautomers (structureal, II ND is ENOL.

both are functional isomers. II nd is enol.

both are positional (structural) isomers, both

both are functinal (structural) isomers, II nd is enol.
Discussion
14.

Match the following: {:(Column I,Column II),(("Tests"),("Element to be detected").),((a)"Lassaigne' test",(p)"Nitrogen"),((b)"Beilstein test",(q)"Chlorine"),((c)"Sodium nitroprusside test",(r)"Sulphur"),((d)"Layer test",(s)"Bromine"):}

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ANSWER :(a-p,Q,R,s); (b-q,s); (c-r); (d-s)
Discussion
15.

Match the following: {:(Column I,Column II),(("Methods of estimation"),("Elements to be estimated").),((a)"Kjeldahl's method",(p)"Halogen"),((b)"Duma's method",(q)"Sulphur"),((c)"Carius method",(r)"Carbon"),((d)"Liebig's method",(s)"Estimation of nitrogen"):}

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ANSWER :(a-s); (b-s); (c-p,Q); (d-r)
Discussion
16.

Match the following: {:(Column I,Column II),(("Compound"),("Test with the reagent").),((a)"Ethanol",(p)2.4-"Dinitriphenyl hydrazine solution"),((b)"Phenol",(q)"Cerric ammonium nitrate solution"),((c)"Acetone",(r)"Sodium nitrite and hydrochloric acid in cold followed by treatment with alkaline" beta-"naphthol solution"),((d)"Aniline",(s)"Aqueous or alcoholic solution of ferric chloride"):}

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ANSWER :(a-q); (b-s); (c-p); (d-r)
Discussion
17.

Match the following: {:(Column I,Column II),(("Compound"),("Reagent for separation").),((a)"Diethyl ketone",(p)C_(6)H_(5)SO_(2)CI),((b)"Benzoic acid",(q)NaOH),((c)1^(@)and 2^(@)"amines",(r)NaHSCO_(3)),((d)beta-"Naphthol",(s)NaHCO_(3)):}

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ANSWER :(a-r); (b-s); (c-p); (d-q)
Discussion
18.

Match the following {:("Column-I","Column-II"),((A)"Water vapour",(P)"pH 5.6"),((B)"Rain water",(Q)" Sink for" CO_(2)),((C)"Marble building",(R)"Greenhouse gas"),((D)"Plants",(S)"Receptor"):}

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ANSWER :A-R; B-P; C-S; D-Q
Discussion
19.

Match the following: {:(Column I,Column II),((a)"Sublimation",(p)"Gilycerine cane sugar"),((b)"Simple distillation",(q)"Aniline nitrobenzene"),((c)"Fractional distillation",(r)"Benzene and aniline"),((d)"Distillation under reduced pressure",(s)"Naphthalene camphor"),((e)"Steam distillation",(t)"Methanol and propanone"):}

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ANSWER :(a-s);(b-r);(c-t);(d-p);(e-p)
Discussion
20.

Match the following {:("Column-I","Column-II"),((A)H_(2)SO_(4),(P)"Stratosphere"),((B) O_(3),(Q)"Coal mines"),(10-50 km, (R) "Bhopal gas tragedy"),((D)" MIC",(S)" Acid rain "):}

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ANSWER :A-QS; B-P; C-P; D-R
Discussion
21.

Match the following. {:("Column -I","Column-II"),((A)"Electron deficient ",(P)CIF_(3)),((B)"Odd electron molecule ",(Q)BeCI_(2)),((C)"Expansion of octet",(R)BF_(3)),((D) "T shaped molecule ",(S)NO):}

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ANSWER :A-Q,R;B-S;C-P;D-P
Discussion
22.

Match the following {:("Column-I","Column-II"),((A)"Fractional bond order ",(P)O_(2)^(-)),((B) " Paramagnetic nature ",(Q)O_(2)^(+)),((C) "Bond order value 3 ",(R)NO^(+)),((D) "Bond order value 2.5 ",(S) CN):}

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ANSWER :A-PQS; B-PQS; C-R; D-S
Discussion
23.

Match the following {:("Column-I","Column-II"),((A) SO_(2),(P)"Secondary pollutant "),((B) " PAN",(Q) " odegradable"),((C)" Cow dung",(R)"Non-biodegradable "),((D)" DDT ",(S)" Primary pollutant "):}

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ANSWER :A-S;B-P;C-Q;D-R
Discussion
24.

Match the following {:("Column-I","Column-II"),((A)" Air pollution ",(P) " Pb"),((B) " water pollution",(Q) " Textile workers " ),((C) " Soil pollution " ,(R) NO_(2)),((D) " White lung disease ",(S)" Acid rain "):}

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ANSWER :A-R,S; B-P; C-P; D-Q
Discussion
25.

Match the followingColumn -IwithColumn -II

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ANSWER :(A-r),(B-s),(C-q),(D-p)
Discussion
26.

Match the followingColumn -Iwith Column -II

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ANSWER :(A-p),(B-r),(C-q),(D-r)
Discussion
27.

Match the following column -I with Column -II

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ANSWER :(A-p),(B-s),(C-r), (D-q)
Discussion
28.

Match the following {:("Column I", "Column II"), ("(A) 10 vol "H_(2)O_(2), "(1) Perhydrol"), ("(C) 30 vol "H_(2)O_(2), "(2) 5.358 N"), ("(C) 30 vol "H_(2)O_(2), "(3) 1.785 M"), ("(D) 100 vol "H_(2)O_(2), "(4) 3.03%"):} The correct match is

Answer»

`A-4, B-3, C-2, D-1
A-1, B-2, C-3, D-4
A-1, B-3, C-2, D-4
A-4, B-2, C-3, D-1

Solution :(a) % strength `=17/56 times` volumes strength
`""=17/56 times 10=3.03`
(b) Volumes strength `=11.2 times` molarity
`""`Molarity `=20/11.2=1.785`
(c) Volumes strength `=5.6 times` NORMALITY
`"Normality"=30/5.6=5.358`
(d) % strength `=(17 times 100)/56=30.3`
30.0 % `H_(2)O_(2)` is CALLED perhydrol which is used a antiseptic.
Discussion
29.

Match the following column:

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<P>

ANSWER :(A) - (p); (B) - (Q); (C) - (t); (D) - (s)
Discussion
30.

Match the following column :

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SOLUTION :
Discussion
31.

Match the following: {:((A)"Sublimation",(i)"Ether+toluene"),((B)"Distillation",(ii)"o-Nitrophenol+p-nitrophenol"),((C)"Vaccum distillation",(iii)"Benzoic acid+benzaldehyde"),((D)"Steam distillation",(iv)"Glycerol from spent lye"):}

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`{:(A,B,C,D),((IV),(III),(II),(i).):}`
`{:(A,B,C,D),((i),(ii),(iii),(iv).):}`
`{:(A,B,C,D),((iii),(i),(iv),(ii).):}`
`{:(A,B,C,D),((ii),(iv),(i),(iii).):}`

ANSWER :C
Discussion
32.

Match the following: {:((A)"Equivalent mass of an organic acid",(i)"Depression in freezing point"),((B)"Equivalent mass of an organic base",(ii)"Victor Meyer's method"),((C)"Molecular mass of a volatile organic solid",(iii)"Platinichloride method"),((D)"Molecular mass of a non-volatile organic solid",(iv)"Silver salt method"):}

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`{:(A,B,C,D),((IV),(iii),(II),(i).):}`
`{:(A,B,C,D),((i),(ii),(iii),(iv).):}`
`{:(A,B,C,D),((iii),(i),(iv),(ii).):}`
`{:(A,B,C,D),((ii),(iv),(i),(iii).):}`

ANSWER :A
Discussion
33.

Match the following: {:((A)"Duma's method",(i)AgNO_(3)),((B)"Kjeldahl's method",(ii)"silica gel"),((C)"Carius method",(iii)"Nitrogen"),((D)"Chromatography",(iv)"Ammonium sulphate"):}

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`{:(A,B,C,D),((III),(i),(II),(iv).):}`
`{:(A,B,C,D),((i),(ii),(iii),(iv).):}`
`{:(A,B,C,D),((iii),(iv),(i),(ii).):}`
`{:(A,B,C,D),((i),(iv),(iii),(ii).):}`

Answer :C
Discussion
34.

Match the following {:(A,1s^(2)" " 2s^(2)" "2p_(x)^(1)" "2p_(y)^(1)" "2p_(z)^(1),1,"Heisenberg'suncertainty principle"),(B,1slt 2slt2plt3slt3p,2,"Hund's rule"),(C,n= 1, l = 1 , m = 0 s = +1//2,3,"Aufbau principle"),(D,Delta xx.Deltapge(h)/(4pi),4,"Pauli's exclusion principle"):}

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`{:(A,B,C,D),(2,3,4,1):}`
`{:(A,B,C,D),(2,1,4,3):}`
`{:(A,B,C,D),(3,1,2,4):}`
`{:(A,B,C,D),(3,2,1,4):}`

ANSWER :A::B::C::D
Discussion
35.

Match the following {:("A","B"),("(I) Adiabatic process" , "Heat"),("II Isolated system","(b) At constant volume"),("(iii) Isothermal change","(c) First law of thermodynamics"),("Iv Path function ","(d) No exchange of energy and matter"),("(v) State Function", "(e) No transfer of heat"),("(iv)" DeltaU =q,"(f) Constant temperature"),("Vii) Law of conservation of energy ","(g) Internal energy"),("viii Reversible process" , "(h)" P_("ext")=0),("ixFree expansion " ,"(i) At constant pressure ") ,("x)" DeltaH = q,"(j) Infinitely slow process which proceeds through a series of equilibrium states "),("(xi) Intensive property" , "(k) Entropy"),("(xii) Extensive property","(l) Pressure"),(, "(m) Specific heat"):}

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Answer :(i) -(E); (ii) -(d);(iii)-(f);(iv)-(a);(v) -(g), (k),(l) ;(VI)-(b); (VII)-(c);(viii)-(f); (ix) -(h); (X) -(i); (xi)-(a), (l),(m); (xii) -(g),(k)
Discussion
36.

Match the following: (a) {:((A)"Vital force theory",(i)"Bond angle" 120^(@)),((B)sp^(3)-"hybridization",(ii)"Kolbe"),((C)"Hydrogen bonding",(iii)Wddot(o)"hler"),((D)"Resonance",(iv)"One sigma two pi bonds"),((E)sp^(2)-"hybridization",(v)"Sublimation"),((F)"Urea",(vi)"Vaccum distillation"),((G)"Acetic acid",(vii)CH_(4)),((H)"Naphthalene",(viii)"Berzelius"),((I)"Triple bond",(ix)C_(6)H_(6)),((J)"Glycerol",(x)C_(2)H_(5)OH):} (b) {:((A)"Sublimation",(i)"Benzene+Toluene"),((B)"Chromatography",(ii)"Tswett"),((C)"Steam distillation",(iii)"Camphor"),((D)"Fractional distillation",(iv)"Aniline"):}

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ANSWER :(a) (A-viii); (B-vii); (C-x); (D-ix); (E-i); (F-iii); (G-ii); (H-v); (I-iv); (J-vi).
Discussion
37.

Match the following {:("A) Movement of gas molecules ","1) Unaffected by gravity"),("B) Gas with least rate diffusion","2) Diffusion"),("C) Gas with highest rate of diffusion","3)" H_2),("D) Spontaneous mixing of gases","4)" He),("","5) UF"):} The correct match is .

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`{:(A,B,C,D),(5,3,4,2):}`
`{:(A,B,C,D),(1,2,3,4):}`
`{:(A,B,C,D),(1,5,3,2):}`
`{:(A,B,C,D),(5,3,2,1):}`

ANSWER :C
Discussion
38.

Match the following.

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A-4, B-2, C-3
A-1, B-3, C-2
A-1, B-2, C-4
A-1, B-4, C-3

ANSWER :B
Discussion
39.

Match the following

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SOLUTION :PROPERTIES of BENZENE
Discussion
40.

Match the following:

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1-d, 2-c, 3-a, 4-b
1-c, 2-a, 3-d, 4-b
1-b, 2-c, 3-d, 4-a
1-b, 2-d, 3-a, 4-c

ANSWER :D
Discussion
41.

Match the following:

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1-B, 2-d, 3-a, 4-c
1-d, 2-a, 3-b, 4-c
1-c, 2-d, 3-a, 4-b
1-c, 2-d, 3-b, 4-a

ANSWER :B
Discussion
42.

Match the following:

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1-d, 2-C, 3-a, 4-b
1-c, 2-d, 3-b, 4-a
1-b, 2-d, 3-a, 4-c
1-b, 2-c, 3-d, 4-a

ANSWER :C
Discussion
43.

Match the following:

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1-b, 2-a, 3-d, 4-c
1-c, 2-b, 3-a, 4-d
1-c, 2-d, 3-b, 4-a
1-d, 2-a, 3-b, 4-c

ANSWER :D
Discussion
44.

Match the following:

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1-C, 2-d, 3-b
1-b, 2-c, 3-d
1-c, 2-a, 3-d
1-d, 2-a, 3-a

ANSWER :C
Discussion
45.

Match the following

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SOLUTION :For 2s, N= 2 , l=0 , `m_l=0`
For `2P_z n=2 , l=1 , m_l =0`
`4d_(x^2 - y^2) : n= 4 , l=2 , m_l =PM2`
`4d_(z^2) : n = 4 , l=2 , m_l=0`
Discussion
46.

Match the following

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SOLUTION :L VALUES = 0,1,2,… n-1 ,
`m_1` values = `l `to 0 to `+ l , m_l = PM 1/2`
Discussion
47.

Match the following

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SOLUTION :`PSI` MAY be positive or NEGATIVE , `Psi^2` is always positive
Discussion
48.

Match the following

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SOLUTION :`E= HV bar(upsilon) , r_n = (N^2 xx r_H)/(Z) , V_n =(V_H)/(n)`
Discussion
49.

Match the following

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SOLUTION :A-Q, B-R, C-S , D-P
Discussion
50.

Match the following

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SOLUTION :Lyman `n_1 = 1 , Balmer n_1 = 2 `
Paschen `n_1 = 3`, BRACKET `n_1 = 4`
PFUND `n_1 = 5`
Discussion