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Chemistry General Science Test Medium Mode MCQs With Answers
Question # 1
The element which is not present in all proteins is
Choose an answer
C
H
O
S
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Question # 2
Cotton is an example of
Choose an answer
animal fibre
mineral fibre
vegetable fibre
synthetic fibre
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Question # 3
Thermoplastic polymer can be softened and hardened when cool repeatredly, Which one is not a thermoplastic among he following?
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epoxy resin
PVC
Plastic toys
none of all
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Question # 4
The development of disagreeable odour in fats or oil is called
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fragrance
perfume
rancidity
smell
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Question # 5
Which of the following is a simple protein
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Albumins
Legumin
Callogen
All
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Question # 6
The fiber which is made from acrylonitrile as monomers:
Choose an answer
PVC
rayon fiber
acrylic fiber
Polyester fiber
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Question # 7
The shielding effect of inner electron is responsible for
Choose an answer
Having no effect on ionization energy
Decreasing ionization energy
Increasing ionization energy
Increasing electronegativity
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Question # 8
Doubling the pressure in a liquid phase reaction
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Will double the rex
Will increase the rex
Will decrease the rex
Will not alter the concentration of reactant
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Question # 9
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Question # 10
Saturated hydrocarbons having carbon atoms more than 20 in a molecule are solids due to
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higher densities
higher molar masses
the chain, are more zig-zag
all are correct
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Question # 11
The polymers which can not be re-softened again and again are called
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Thermoplastic
Thermosetting
Both a and b
None
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Question # 12
In the presence of copper electrodes the electrolysis of aqueous CuSO
4
produces at cathode
Choose an answer
H
2
gas
O
2
gas
SO
2
gas
Cu metal
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Question # 13
The tip of the funnel should touch the side of the beaker in order to avoid
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Splashing
Leakage
Mixing
Contamination
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Question # 14
When the electron jumps form second third, fourth orbit to the fist orbit, the transitions are known as
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Balmer series
Lyman series
Pfund series
Brackett series
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Question # 15
Each vertical column of the periodic table includes elements with chemical characteristics that are in general
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Identical
Similar
Different
Similar as well as different
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Question # 16
The natural fertilizers consist of
Choose an answer
Plants
Animals
Both plants and animals
Microorganisms
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Question # 17
Ethyl alcohol on oxidation with K
2
Cr
2
O
7
gives
Choose an answer
Acetic acid
Acetaldehyde
Formaldehyde
Formic acid
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Question # 18
Which one of the following does not belong to alkaline earth metals
Choose an answer
Be
Ra
Ba
Rn
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Question # 19
In which molecule carbon atom is sp
2
hybridized
Choose an answer
CH
4
C
2
H
4
C
2
H
2
None of the above
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Question # 20
Which is not the form of silica?
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Amethyst quatz
Rose quatz
Smoky
None of these
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Question # 21
Choose an answer
A strong reducing agent
A strong oxidising agent
Better oxidising agent than hydrogen
Less reducing agent than hydrogen
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Question # 22
Solutions with same osmotic pressures are called
Choose an answer
Hypertonic
Hypotonic
Isotonic
Normal
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