Chemistry General Knowledge Questions and Answers: Chemistry GK
Chemistry-General Knowledge questions and answers
91. Which of the following substance is highly plastic?
A. Quartz
B. Mica
C. Clay
D. Granite
Answer : C. Clay
92. Which one among the following is used as a moderator in nuclear reactors?
A. Ozone
B. Heavy hydrogen
C. Heavy water
D. Hydrogen peroxide
Answer : C. Heavy water
93. Who discovered radioactivity?
A. Marie Curie
B. Roentgen
C. John Dalton
D. Henri Becquerel
Answer : D. Henri Becquerel
94. Charcoal is
A. Amorphous
B. Crystalline
C. Hygroscopic
D. None of these
Answer : A. Amorphous
95. Cooking oil can be converted into vegetable ghee by the process of
A. Oxidation
B. Crystallization
C. Distillation
D. Hydrogenation
Answer : D. Hydrogenation
96. Another name for mercurous chloride is
A. Amalgam
B. Calomel
C. Blue vitriol
D. Plaster of paris
Answer : D. Plaster of paris
97. The chief source of aluminium is
A. Bauxite
B. Cargolite
C. Haematite
D. Feldspar
Answer : A. Bauxite
98. The major constituent of air is
A. Hydrogen
B. Carbon dioxide
C. Nitrogen
D. Oxygen
Answer : C. Nitrogen
99. The solute in a solution can be separated by
A. decantation
B. evaporation
C. filtration
D. sedimentation
Answer:B
100. The concept of an electrolyte in water was described by
A. Faraday
B. Ohm
C. Debye
D. Arrhenius
Answer:D
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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