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Chemistry General Science Test Medium Mode MCQs With Answers
Question # 1
Most reactive among the following
Choose an answer
Li
Mg
Ca
Na
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Question # 2
Carboxylic acid is more acidic than phenol because of the greater stability of
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Carboxylic acid
Phenoxide ion
proton
Carboxylate ion
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Question # 3
Water which forms scum with soap is called
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Hard water
Soft water
Distilled water
Un distilled water
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Question # 4
Which of the following statements is incorrect about vitamins
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often function as coenzymes
molecules contain at least one ring structure
are often synthesized by the body
are polyfunctional compounds
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Question # 5
Which of the following is a non-typical transition element?
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Cr
Zn
Mn
Fe
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Question # 6
H
2
O is liquid at room temperature whereas H
2
S is a gas because
Choose an answer
H
2
O used as drinking water, but H
2
S has rotten egg smell
H
2
O is neutral. H
2
S is a weak acid
stronger hydrogen bonding in H
2
O than in H
2
S
H
2
O occurs abundantly than H
2
S
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Question # 7
Lecithin is an example of:
Choose an answer
A simple lipid
Phospholipids
Waxes
Proteins
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Question # 8
Albumins and globulins are defined as
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Derived protein
Conjugated protein
Fibrous protein
Globular protein
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Question # 9
In which of the following compounds H-binding is not present?
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ethanol
ether
water
ammonia
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Question # 10
The sun is a ball of plasma heated by nuclear fusion is
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1.0 million km
2.0 million km
1.5 million km
2.5 million km
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Question # 11
SO
2
produced by volcanoes is about
Choose an answer
75%
67%
69%
70%
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Question # 12
Elevation of boiling point is measured by
Choose an answer
Beckmann's apparatus
Lands Berger's method
Antifreeze apparatus
None of these above
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Question # 13
Hybridization in alkanes is:
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sp
sp
2
sp
3
dsp
2
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Question # 14
Orthophosphoric acid is
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Monobasic
Dibasic
Tribasic
Tetrabasic
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Question # 15
Which of the following order is incorrect w.r.t property indicated?
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Formic acid > Acetic acid > Propionic acid (ACID STRENGTH)
Cyclohexanol < Phenol < Benzoic acid ( ACID STRENGTH)
Benzamide < Aniline < Cyclohexylamine ( ACID STRENGTH)
FCH
2
COOH > CICH
2
COOH > BrCH
2
COOH (ACID STRENGTH)
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Question # 16
Which is used for the reduction of aldehydes and ketones
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NaBH
4
Pt/Pd
Ni
All of these
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Question # 17
Series starting from57La,42Hf -80Hg is in the period:
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4th
5th
6th
7th
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Question # 18
During nitration of benzene, the active nitrating agent is
Choose an answer
NO3
NO2+
NO2-
HNO3
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Question # 19
The four quantum numbers of the valency electron of potassium are
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4,1,1,1/2
4,0,0,1/2
4,1,0,1/2
4,4,0,1/2
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Question # 20
The nature of positive rays depend on:
Choose an answer
Nature of discharge tube.
Nature of resident gas.
Nature of electrode.
All of above.
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Question # 21
Carboxylic acids on complete reduction in the presence of Hi and red phosphorus gives:
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Esters
Alcohols
Alkanes
Aldehydes
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Question # 22
Which is the polymer that has amide linkage in its structure
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PVC
Poly ethene
Polyester
Nylon
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