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Chemistry General Science Test Medium Mode MCQs With Answers
Question # 1
How many zones through which the charge passes in a rotary kiln?
Choose an answer
4
3
2
5
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Question # 2
Which of the following salts would give the same products irrespective of whether its molten form or concentrated aqueous solution is electrolysed?
Choose an answer
Magnesium bromide
Magnesium sulphate
Copper sulphate
Copper chloride
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Question # 3
Hexamethylene reacts with _______ to prepare nylon 6,6
Choose an answer
acetic acid
adipic acid
formic acid
none of above
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Question # 4
Which of the following govern the diffusion of gases
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Dalton's law
Avogadro's law
Graham's law
Newton's law
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Question # 5
Which one of the following molecules show maximum hydrogen bonding?
Choose an answer
H
2
O
H
2
Se
H
2
S
HF
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Question # 6
The words smog is a combination of smoke and:
Choose an answer
fog
foke
fork
fizzy
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Question # 7
In which of the following processes the liquids are made to boil at low temperature
Choose an answer
Vacuum distillation
Destructive distillation
Distillation
Vacuum destructive distillation
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Question # 8
The factor responsible for lower mercury level in a capillary tube is
Choose an answer
High density
Surface tension
Liquid state
Metallic Colour
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Question # 9
Stronger the intermolecular forces
Choose an answer
Lower the Vapour pressure
Greater the Vapour pressure
May be smaller or greater
None
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Question # 10
Which of the following test is not given by aldehvde
Choose an answer
2. 4 DNPH test
NaHSO3 test
Tollen's test
Sodium nitroprusside test
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Question # 11
A reaction A- B is independent of concentration of reactant A. The order of reaction will be
Choose an answer
First order
Second order
Third order
Zero order
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Question # 12
Activation energy is the difference of energy between the energy of the reactant and
Choose an answer
The product
The activated complex
Both a and b
None of these
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Question # 13
Which statement is incorrect for NICAD battery
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The electrolyte is alkali
Cd acts as anode
MnO
2
acts as electrolyte
NiO
2
acts as cathode
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Question # 14
Positive particle in discharged tube is produced by ionization of gas molecules, which is caused by
Choose an answer
Gas molecules collide with anode
Gas molecules are at high temperature
Gas molecules produce X-rays
Cathode rays remove electrons from gas molecules
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Question # 15
During dehydration of alcohols to alkenes by heating with conc. H
2
SO
4
, the initial step is
Choose an answer
Formation of an ester
Protonation of alcohol molecule
Formation of carbocation
Elimination of water
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Question # 16
Mild oxidation of glycerol with H
2
O
2
/FeSO
4
gives
Choose an answer
Glyceraldehyde
Dihydroxy acetone
Glycerose
None
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Question # 17
As the nuclear charge increases, the pull on the electrons is increased and size of an atom:
Choose an answer
Decreases.
Remain same.
Increases.
Is negligible.
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Question # 18
Choose an answer
2, 2, 4-trimethylpentane
2, 4, 4-trimethylpentane
2, 4, 4-methyepentane
2, 2, 4-methylpentane
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Question # 19
[Co(NH
3
)
6
]
3+
will form ______ structure
Choose an answer
Square planar
Tetrahedral
Octahedral
Trigonal bipyamidal
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Question # 20
The structure of ICI
2
is
Choose an answer
Trigonal
Trigonal bipyramidal
Octahedral
Square planar
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Question # 21
The acid present in vinegar is
Choose an answer
CH
3
COOH
HCI
H
2
SO
4
HCOOH
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Question # 22
Hypo is used in photography for
Choose an answer
Developing picture
Picture printed
The colour of picture
The fixation of picture
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