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Home
Chemistry Test 119
Chemistry Test 119
Time Left -
Question
1/10
1 / -0.25
Glycol is added to aviation gasoline because it
A
reduces evaporation of petrol
B
increase efficiency of petrol
C
prevents freezing of petrol
D
reduces consumption of petrol
Question
2/10
1 / -0.25
Rusting of iron requires _____.
A
oxygen and carbon dioxide
B
oxygen and water
C
carbon dioxide only
D
oxygen only
Question
3/10
1 / -0.25
Glass is a?
A
Pure solid
B
Supercooled liquid
C
Gel
D
Polymer
Question
4/10
1 / -0.25
Which among the following is used to dilute oxygen In the gas cylinders used by divers?
A
Krypton
B
Argon
C
Helium
D
Neon
Question
5/10
1 / -0.25
Name the gas used in preparation of bleaching powder
A
Oxygen
B
Hydrogen
C
Nitrogen
D
Chlorine
Question
6/10
1 / -0.25
The beach sands of Kerala are rich in _______.
A
Calcium
B
Radium
C
Thorium
D
Manganese
Question
7/10
1 / -0.25
The chemical that is used to ripen mangoes is_______ .
A
Calcium sulphide
B
Calcium carbide
C
Calcium carbonate
D
Calcium chloride
Question
8/10
1 / -0.25
Which one of the following is a water soluble vitamin?
A
A
B
C
C
K
D
D
Question
9/10
1 / -0.25
Natural rubber is a polymer of __________
A
Ethylene
B
Vinyl Chloride
C
Isoprene
D
Styrene
Question
10/10
1 / -0.25
Which is known as carbolic acid?
A
Phenol
B
Ethanol
C
Acetic acid
D
Oxalic acid
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