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Chemistry General Science Test Medium Mode MCQs With Answers
Question # 1
Joule is a unit of energy which is defied as
Choose an answer
Kgm
-2
s
-2
Kgm
2
s
-1
Kgms
-2
Kgm
2
s
-2
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Question # 2
Which type of motion is exhibited by gases?
Choose an answer
Vibrational
Transitional
Rotational
All of them
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Question # 3
Monomer for acrylic resins is
Choose an answer
Acrylic acid
Methylmethacrylate
Acryloritrile
All
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Question # 4
Which of the following elements is most metallic
Choose an answer
Bi
sb
As
P
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Question # 5
The number of unpaired electrons present in Fe ions is
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1
2
5
0
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Question # 6
Stability of Cu-metal is due to filled of d-orbital
Choose an answer
Half
Completely
Partially
Quarterly
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Question # 7
Ground and surface waters are contaminated and become polluted due to the human activity. Which human activity will not cause water pollution
Choose an answer
live stock waste
agricultural pesticides
oil beaks and spills
all of the above
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Question # 8
A fibre which is made from acrylonitrile as monomer
Choose an answer
PVC
rayon fibre
acrylic fibre
polyester fibre
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Question # 9
Liquefaction of gas can only be carried out if the:
Choose an answer
without caring for the value critical volume at critical stage
the temperature is more than critical and pressure is 1000 atm
the temperature is below the critical and pressure is very high
temperature is above the critical temperature and pressure can have any value
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Question # 10
What is the sequence of electron take up and removal from 4s orbital a transition metal in 3d series?
Choose an answer
Enters first, leaves after 3d electrons removal
Enters after 3d electrons, leaves after 3d electrons
Enters after 3d eleetrons, leaves first
Enters first and leaves first
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Question # 11
General formula of aliphatic carboxylic acids:
Choose an answer
R-OH
R-COH
R-CO-R
RCOOH
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Question # 12
The order of reactivity of halogens in aliphatic substitution reactions is
Choose an answer
Br2 > C12 > F2
C12 > Br2 > F2
C12 C12 > Br2
F2 > Br2 > C12
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Question # 13
The isotopes of an element
Choose an answer
Possess same mass number
Possess same number of protons
Do not possess same chemical properties
May or may not possess same chemical properties
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Question # 14
Which of the following compounds does not react with NaHSO
3
?
Choose an answer
C
6
H
5
CHO
Acetophenone
Acetone
Acetaldehyde
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Question # 15
Down's cell is used to prepare
Choose an answer
Sodium carbonate
Sodium bicarbonate
Sodium metal
Sodium hydroxide
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Question # 16
Vinegar is dilute solution of:
Choose an answer
Acitic acid
Formic acid
Butyric acid
Propionic acid
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Question # 17
Selection of filter paper depends upon sizes of particles to be:
Choose an answer
Tested
Filtered
Checked
All of above
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Question # 18
The reaction-method that does not give an alkane is
Choose an answer
Catalytic hydrogenation of alkanes
Wurtz reaction
Hydrolysis of alkyl magnesium bromide
Dehydrohalogenation of an alkyl halide
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Question # 19
When sulphur is boiled with Na
2
SO
3
solution, the compound formed is
Choose an answer
Sodium sulphides
Sodiums sulphates
Sodium persulphate
Sodium thiosulphate
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Question # 20
The major reaction occurring in the engines of automobiles is
Choose an answer
Oxidation
Reducing
Combustion
Decomposition
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Question # 21
The force which holds the atoms together to form a compound is called
Choose an answer
A chemical bond
Van der waal's force
Dispersion force
London force
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Question # 22
Which of the following oxides is peroxide?
Choose an answer
Na
2
O
2
MnO
2
BaO
SO
2
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