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Chemistry General Science Test Medium Mode MCQs With Answers
Question # 1
Buffer action can be explained by except
Choose an answer
Common ion effect
Le-Chatelier's principle
Law of mass action
Solubility product
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Question # 2
which chlorine compound has bonding that can be described as ionic with some convalent character?
Choose an answer
NaCI
MgCI
2
AICI
3
SiCI
4
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Question # 3
Irreversible precipitation of protein caused by heating is called
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Polymerization
Denaturing
Inversion
Co-angular
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Question # 4
Transformation is a cyclic process in which used plactic is
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Remelted and styrene is added
Converted into low quality substance
Converted back into original components
None of these
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Question # 5
An ideal gas, obeying Kinetic theory of gases cannot be liquified, because
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its critical temperature is above 0°C
its molecules are relatively small in size
It solidifies before becoming a liquid
Forces acting between its molecules are negligible
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Question # 6
An amion acid exists in the form of Zwitter-ioin which has:
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one + ve charge
one - ve charge
one +ve and -ve charge
two +ve charge
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Question # 7
Which of the substance is not going to react the sodium metal:
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Acetic acid
Methanol
Di methyl ether
Ethanol
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Question # 8
The volume of given mass of gas is directly proportional to absolute temperature when pressure is kept constant this is called
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Boyle's law
Charles's law
Graham's law
Dalton's law
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Question # 9
During the manufacturing process of cement the temperature of the decomposition zone goes up to:
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600°C
800°C
1000°C
1200°C
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Question # 10
The enthalpy change AH of a process is given by the relation
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ΔΗ =ΔΕ + P∆V
ΔH=ΔE +W
ΔH =ΔΕ-ΔnRT
ΔΕ =ΔΗ + P∆V
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Question # 11
In the esterification, first attack is due toon carborylic acid
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Hydrogen ion
Alcohols
Water
All
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Question # 12
Compounds having the same molecular formula, but different functional groups show
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Metamerism
Position isomerism
Chain isomerism
Functional group isomerism
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Question # 13
During the manufacturing process of cement the temperature of the decomposition zone goes up:
Choose an answer
600
°C
8000
°C
1000
°C
1200
°C
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Question # 14
The ratio of the ionization energy of H and Be
3+
is
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1 : 1
1 : 3
1 : 9
1 : 16
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Question # 15
Acetic anhydride is obtained form acetyl chloride by the reaction of
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P
2
O
5
H
2
SO
4
CH
3
COONa
CH
3
COCH
3
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Question # 16
Stainless steel contains ion and carbon along with
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Ni and Cr
Cr and Co
Co and Mn
Mn and Ni
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Question # 17
Burning of fossil fuels is the main source of pollution
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Nitrogen oxide
Nitric oxide
Nitrous oxide
Sulphur dioxide
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Question # 18
The potassium fertilizers are preferred for horticulture, tobacco and potatones, which of the following is popular potassium fertilizer
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Potassium oxide
Potassium chloride
Potassium sulphate
Potassium nitrate
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Question # 19
Grignard reagent on reaction with a ketone forms
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Tertiary alcohol
Secondary alcohol
Primary alcohol
Carboxylic acid
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Question # 20
What will be the weight of deposited silver on passing 965 coulombs of electricity in solution of AgNO
3
?
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1.08 g
2.16 g
0.54 g
0.27 g
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Question # 21
Chief source of water and soil pollution is
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Mining
Thermal power plant
Agro-industry
All the above
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Question # 22
Which of the following is a non-typical transition elements
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Cr
Mn
Zn
Fe
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