General Chemistry

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91 Aspirin is common name of :

A
Salicylic Acid
B
Salicylate
C
Methyl Salicylate
D
Acetyl Salicylic Acid

92 Tetra ethyle lead (TEL) is :

A
a catalyst in burning fossil fuel
B
an antioxidant
C
a reductant
D
an antiknock compound

93 White phosphorus is always kept under

A
benzene
B
kerosene
C
ether
D
water

94 Which one of the following is extensively used for sterilizing water ?

A
Bleaching powder
B
Alum
C
Borax powder
D
Soda powder

95 German silver used for making utensils is an alloy of :

A
copper, silver, nickel
B
copper, zinc, nickel
C
copper, zinc, aluminium
D
copper, nickel, aluminium

96 The chemical name of ‘Common salt’ is :

A
Sodium chloride
B
Sodium nitrate
C
Ammonium chloride
D
Calcium chloride

97 In nuclear reactors, graphite is used as a/an

A
fuel
B
lubricant
C
moderator
D
insulator

98 Which gas does not form the part of atmosphere ?

A
Nitrogen
B
Helium
C
Chlorine
D
None of the above

99 Which type of glass is used for making glass reinforced plastic?

A
Pyrex glass
B
Flint glass
C
Quartz glass
D
Fibre glass

100 The greenhouse effect is caused by the higher level of which gas in the atmosphere ?

A
Carbon monoxide
B
Carbon dioxide
C
Nitrous oxide
D
Sulphur dioxide

101 The element which is used for vulcanizing rubber

A
Sulphur
B
Bromine
C
Silicon
D
Phosphorus

102 The main constituent of biogas is :

A
oxygen
B
methane
C
acetic acid
D
methyl alcohol

103 Ultraviolet radiation striking the earth is due to the depletion of :

A
carbon monoxide
B
carbon dioxide
C
ozone
D
oxygen

104 Major gaseous pollutant of the thermal power station is :

A
H2 S
B
NH3
C
NO2
D
SO2

105 Which one amongst the following is not a Green House gas?

A
Nitrogen
B
Carbon dioxide
C
Carbon Monoxide
D
Chloro fluoro carbons