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.

Partial neutralisation of sulphuric acid gives

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SULPHITES
Bisulphates
SULPHATES
Bisulphites

ANSWER :B
2.

Partial hydrolysis of XeF_(6) with one molecule with water gives :

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`XeOF_(4)`
`XeO_(3)`
`XeO_(2)F_(2)`
`XeOF_(2)`.

Solution :`XeF_(6)+H_(2)Orarr XeOF_(4)+2HF`
3.

Parkinson's disease is linked to abnormalities in the levels of dopamine in the body. The structure of dopamine is

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ANSWER :C
4.

Parke's process of desilverization of lead depends upon

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Partition COEFFICIENT of SILVER between MOLTEN zinc/molten lead having a high value
Partition coefficient of silver between molten zinc/molten lead gaving a low value
Crystallizing out of pure lead while the silver-lead eutectic which has a LOWER melting point is left BEHIND in liquid form
Chemical combination of zinc and silver which precipitates out easily

Answer :A
5.

Parkinson's disease is linked to abnormalties in the levels of dopamine in the body. The structure of dopamine is

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ANSWER :D
6.

Parke's process is used to extract

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Silver using `NACL`
Copper using `CuFeS_(2)`
Silver from argentiferrous LEAD
Silver by FORMING amalgam

Solution :Parke's process is used to extract silver from argentiferrous lead.
7.

Paris green is

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Double green is COPPER CARBONATE and copper nitrate
Double salt of copper ACETATE and copper arsenite
Double salt of copper acetate and copper sulphate
Double salt of copper and SILVER nitrate

Answer :B
8.

Paris green is an insecticide made up of:

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ANSWER :B
9.

Parathion is :

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An organic phosphorus compound
Chlorinated AROMATIC compound
Chlorinated ALIPHATIC compound
Benzene DERIVATIVE

Solution :"PARATHION" is an organic phosphorus compound.
10.

Parathion is

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an orgnic PHOSPHORUS compound
chlorinated AROMATIC compound
chlorinated ALIPHATIC compmmd
benzene derivative

Answer :A
11.

Paramagnetism is the property of ul"paired electrons. "

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SOLUTION :UNPAIRED ELECTRONS
12.

Paramagnetism is the property of

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completely filled ELECTRONIC subshells
unpaired electrons
non-tranistion elements
VACANT ORBITALS

ANSWER :B
13.

Paramagnetism is common in ul"p-block elements."

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SOLUTION :d-and f-block ELEMENTS
14.

Paramagnetic substance on placing in the magnetic field in Guoy's experiment

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its WEIGHT decreases
its weight BECOMES half
its weight increases
no change in its weight

Solution :PARAMAGNETIC substance placed in MAGNETIC field will increase weight
15.

Paramagnetism in lanthanoids is due to both ............ And............

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SOLUTION :ELECTRON SPIN , ORBITAL MOTION
16.

Paramagnetic species is:

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`Cl_2O`
`ClO_2`
`Cl_2O_7`
`Cl_2O_6`

ANSWER :B
17.

Paramagnetic oxide is:

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NO
`N_2O_4`
`P_4O_6`
`N_2O_5`

ANSWER :A
18.

Paramagnetic oxide of chlorine is

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`ClO_(4)`
`ClO_(3)`
`ClOC`
`Cl_(2)O_(7)`

ANSWER :B
19.

Paramagnetic oxide of chlorine is:

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`ClO_3`
`Cl_2O_6`
`Cl_2O`
None

Answer :A
20.

Paramagnetic molecule is:

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Oxygen
Nitrogen
Hydrogen
Chlorine

Answer :A
21.

Paramagnetic oxide is

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`N_(2)O`
`N_(2)O_(3)`
NO
`N_(2)O_(4)`

ANSWER :3
22.

Paraldehyde is used in medicine as .............

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SOLUTION :HYPNOTIC
23.

Paramagnesim is notexhibited by:

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`CuSO_(4)*5H_(2)O`
`CuCl_(2)*5H_(2)O`
`CuI`
`NiSO_(4)*4H_(2)O`

ANSWER :C
24.

Paramagnetic character of transition elements is due to _____ .

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SOLUTION :PRESSENCE of UNPAIRED ELECTRON
25.

Paraldehyde is used as a

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Medicine
Poison
Polymer
Dye

Answer :A
26.

Paraldehyde is

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A TRIMER of formaldehyde
A trimer of acetaldehyde
A HEXAMER of formaldehyde
A hexamer of acetaldehyde

Solution :
27.

Paraldehyde is used as a :

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Saporific
Poison
Polymer
Dye

Answer :A
28.

Paraffins are soluble in

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Distilled water
BENZENE
Methanol
Sea water

Solution :PARAFFINS or alkanes are non-polar COMPOUNDS. HENCE SOLUBLE in benzene
29.

Paraffins are _____ hydrocarbons.

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Saturated
Unsaturated

Answer :A::D
30.

Paraldehyde is :

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A TRIMER of FORMALDEHYDE
A trimer of acetaldehyde
A HEXAMER of formaldehyde
A hexamer of acetaldehyde

Answer :B
31.

Paraffin wax is:

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an ester
a LONG chain acid
MONOHYDRIC ALCOHOL
a MIXTURE of higher ALKANES

Answer :D
32.

Paraffinwax is :

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ESTER
ALCOHOL
UNSATURATED HYDROCARBONS
saturated hydrocarbons

ANSWER :D
33.

Paraffin waxes are :

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Hyigher alkanes
Higher ALKENES
Higher ALKYNES
NONE

ANSWER :A
34.

Paraffin wax is not used in

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In MAKING candles
As a coating on paper
In greases
As a stiffening agent in COSMETIC creams

Answer :C
35.

Paraffin dissolves in:

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DISTILLED water
Benzene
Methanol
Salt water

Answer :D
36.

Paracetamol is which type of drug ?

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ANALGESICS
Antiseptic
Antacids
Tranquilizers 

SOLUTION :Analgesics
37.

Paracetamol is prescribed to take once in 6 hours, justify this statement.

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Solution :(i) Paracetamol is awell known antipyretic and analgesic that is prescribed in case of fever and body pain.
(ii) .Paracetamol has a half life of 2.5 hours WAITING the body.(i.e) the plasma concentrationof the drug is halved after 2.5 hours. So after 10 hours ( 4 half lives) , only 6.25 % drug remains based on this the dosage and frequency will be decided.
(iii) In the case of Paracetamol , it is USUALLY paracetamol, it is used widely prescribed to take one.s hand 6 hower.
38.

Paracetamol is an

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ANALGESIC
ANTIPYRETIC
Both (a) and (b)
None of the above

Solution :Paracetamol is USED as an antipyretic as WELL as analgesic.
39.

Paracetamol is prescribed to take once in 6 hours. Justify this statement.

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Solution :(i) Paracetamol is a well KNOWN ANTIPYRETIC and analgesic that is prescribed in cases of fever and body pain.
(ii) Paracetamol has a half life of 2.5 hours within the body. (i.e) the plasma concentration of the drug is halved after 2.5 hours. So after 10 hours (4 half lives), only 6.25% of drugremains. Based on this, the dosage and frequency will be decided.
(iii) In the case of paracetamol, it is usually prescribed to take once in 6 hours.
40.

Paracetamol is a/an

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analgesic
ANTIPYRETIC
both (a) and (B)
antimalarial

Solution :Paracetamol is antipyretic as it lowers the temperature of the FEVERISH organism to NORMAL.
41.

Paracetamol is

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METHYL salicylate
phenyl salicylate
V-aceryl-p-amino phenol
acetyl SALICYLIC acid

Answer :C
42.

Para - substituted benzyl bromide undergeos S_N1 reaction with nucleophiles : Arrange given four compounds in their decreasing order of reactivity for the above reaction :

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`II gt I gt III gt IV`
`I gt IV gt III gt II`
`I gt IV gt II gt III`
`II gt III gt IV gt I`

SOLUTION :rate of `S_N1` REACTION is proportional to stability of carbocation.
43.

Paracetamol is :

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Both ANTIPYRETIC and ANALGESIC
Analgesic
Antipyretic
Antimalaric

ANSWER :A
44.

Para hydroxyl methyl phenols polymerises to give a linear polymer called .................

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SOLUTION :NOVOLAC
45.

Para hydrogen is :

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Less STABLE than ORTHO hydrogen
More stable than ortho hydrogen
As stable as ortho hydrogen
NONE of the above

Answer :A
46.

Para rosaņiline hydrochloride solution is decolourised by SO_2 is called

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BENEDICT's SOLUTION
Fehling's solution
Schiff's REAGENT
Tollens' reagent

Answer :C
47.

Pancreatic juice contains the enzyme :

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Zymase
Invertase
Diastase
Lipase

Answer :D
48.

PANstands for

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`CH_(2)= O`
`CH_(2) = CHCH= O`
`CH_(3) UNDERSET(O) underset(||)(C OONO_(2))`
`CH_(3) CH_(2) O-N=O`

Answer :C
49.

PAN is a _______pollutant.

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ANSWER :A::B::C::D
50.

Pairing of electrons cancels their ______________ and they lose their magnetic character.

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SOLUTION :MAGNETIC MOMENTS