Top 50 Chemistry GK Questions and Answers
Metallic luster is found in which of the following non-metals?
(A) Iodine
(B) graphite
(C) both (A) and (B)
(D) none of these
Correct Answer : C
Limestone on decomposition gives_______and carbon dioxide.
(A) Calcium hydrogen carbonate
(B) Calcium carbonate
(C) Calcium hydroxide
(D) Calcium oxide
Correct Answer : D
Which of the following is an allotrope of carbon?
(A) Diamond
(B) Fullerene
(C) graphite
(D) all
Correct Answer : D
What is Carbon?
(A) non-metals
(B) metal
(C) metalloids
(D) none of these
Correct Answer : A
The cleaning work is done well by soap?
(A) hard water
(B) soft water
(C) both types of water
(D) All the statements are true
Correct Answer : B
What are diamond and graphite of carbon?
(A) apocalyptic
(B) isotopes
(C) polymer
(D) isomer
Correct Answer : A
Define Air?
(A) compound
(B) Mixture
(C) Liquid
(D) solution
Correct Answer : B
Which of the following is neither an element nor a compound?
(A) mercury
(B) water
(C) Air
(D) sodium chloride
Correct Answer : C
The following is a compound?
(A) brass
(B) Steel
(C) sand
(D) Diamond
Correct Answer : C
What is gunpowder?
(A) compound
(B) Mixture
(C) Liquid
(D) none of these
Correct Answer : B
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Rajesh Bhatia
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