11) Formation of anions occurs by _
a) Loss of neutrons
b) Gain of protons
c) Gain of electrons
d) None
12) The gas which is present in both the natural gas and the bio-gas is _
a) Methane
b) Butane
c) Hydrogen
d) Carbon monoxide
13) Lead in water can cause _
a) Eye disease
b) Arthritis
c) Kidney damage
d) Hair falling
14) The poisonous gas obtained by exposing chloroform to air and sunlight is—
a) CH2 CL2
b) COCL2
c) CH2O
d) CH3CL
15) Benzene is a polymer of _
a) Methane
b) Acetylene
c) Ethane
d)Ethylene
16) Chloroopicrin is _
a) Picric derivative
b) Nitrochloroform
c) Nitromethane
d) Nitroethyl chloride
17) Paraffin dissolves in _
a) Distilled water
b) Methanol
c) Benzene
d) Salt water
18) Petroleum consists of _
a) Aliphatic hydrocarbons
b) Aliphatic alcohols
c) Aromatic derivatives
d) None of the above
19) Fisher-Tropsch process is used in the manufacture of _
a) Ethane
b) Benzene
c) Synthetic petrol
d) LPG
20) The knocking will be minimum when the mixture of fuel is _
a) Straight chained
b) Iso-carbonation
c) Neo- carbonation
d) None of the above