Chemistry General Knowledge Questions and Answers: Chemistry GK
Chemistry-General Knowledge questions and answers
41. The cathode of a lead storage battery is made up of
A. Zinc
B. Lead oxide
C. Manganese dioxide
D. Lead
Answer : D. Lead
42. Vinegar is trade name of
A. Acetic acid
B. Chloroform
C. Ethyl alcohol
D. Carbon tetrachloride
Answer : A. Acetic acid
43. Which of the following elements behave chemically both as metal and non metal?
A. Boron
B. Argon
C. Carbon
D. Xenon
Answer : A. Boron
44. Nail polish remover contains
A. Acetone
B. Benzeme
C. Petroleum ether
D. Acetic acid
Answer : A. Acetone
45. Which one of the following correctly defines the state of glass?
A. Crystalline solid
B. Super cooled liquid
C. Condensed gas
D. Liquid crystal
Answer : B. Super cooled liquid
46. Which one of the following is an element which never exhibits positive oxidation state in any of its compounds?
A. Oxygen
B. Chlorine
C. Fluorine
D. Carbon
Answer : C. Fluorine
47. Which one of the following materials is suitable for water purification?
A. Silicones
B. Zeolites
C. Asbestos
D. Quartz
Answer : B. Zeolites
48. Which one of the following is a major constituent of Biogas ?
A. Carbon dioxide
B. methane
C. hydrogen
D. nitrogen dioxide
Answer : B. methane
49. Which one of the following is present in the emission from “unleaded petrol”?
A. carbon monoxide
B. carbon dioxide
C. ethylene
D. hydrocarbons
Answer : D. hydrocarbons
50. Which one of the following is used in preparing match sticks?
A. Chile saltpeter
B. Indian salpetre
C. Red phosphorus
D. Sodium bicarbonate
Answer : C. Red phosphorus
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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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