DIRECTIONS : Questions based on Chemistry.
86. Charcoal is
A. Amorphous
B. Crystalline
C. Hygroscopic
D. None of these
Ans: A.
87. Cooking oil can be converted into vegetable ghee by the process of
A. Oxidation
B. Crystallization
C. Distillation
D. Hydrogenation
Ans: D.
88. Another name for mercurous chloride is
A. Amalgam
B. Calomel
C. Blue vitriol
D. Plaster of paris
Ans: D.
89. The chief source of aluminium is
A. Bauxite
B. Cargolite
C. Haematite
D. Feldspar
Ans: A.
90. The major constituent of air is
A. Hydrogen
B. Carbon dioxide
C. Nitrogen
D. Oxygen
Ans: C.
86. Charcoal is
A. Amorphous
B. Crystalline
C. Hygroscopic
D. None of these
Ans: A.
87. Cooking oil can be converted into vegetable ghee by the process of
A. Oxidation
B. Crystallization
C. Distillation
D. Hydrogenation
Ans: D.
88. Another name for mercurous chloride is
A. Amalgam
B. Calomel
C. Blue vitriol
D. Plaster of paris
Ans: D.
89. The chief source of aluminium is
A. Bauxite
B. Cargolite
C. Haematite
D. Feldspar
Ans: A.
90. The major constituent of air is
A. Hydrogen
B. Carbon dioxide
C. Nitrogen
D. Oxygen
Ans: C.
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