Important Chemistry GK Questions and Answers
Potassium nitrate is used in
(A) medicine
(B) salt
(C) glass
(D) fertiliser
Correct Answer : D
Boiling Point of a liquid due to impurities
(A) increases
(B) decreases
(C) remains unchanged
(D) None of these
Correct Answer : A
Chemical structure of pearl is-
(A) Calcium carbonate
(B) Calcium carbonate and magnesium carbonate
(C) Calcium chloride
(D) Calcium sulfate
Correct Answer : B
Which of the following is purified by Elevation method-
(A) Naphthalene
(B) Ether
(C) Benzoic acid
(D) None of these
Correct Answer : A
Crystallization is an example of
(A) Physical change
(B) Chemical Transformation
(C) Chemical reaction
(D) Galvanization
Correct Answer : A
What is Neela Thoth?
(A) Copper sulphate
(B) Calcium sulfate
(C) Iron sulfate
(D) sodium sulfate
Correct Answer : A
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Rajesh Bhatia
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