Chemistry GK Quiz and Questions
The chemical name of limestone is?
(A) Sodium Chloride
(B) Sodium Sulphide
(C) Calcium carbonate
(D) Magnesium Chloride
Correct Answer : C
Bronze is an alloy of –
(A) Copper and zinc
(B) Copper and Lead
(C) Copper and Tin
(D) Copper and Silver
Correct Answer : C
Which of the following is used as a lubricant in heavy machines?
(A) Phosphorus
(B) Graphite
(C) Bauxite
(D) Sulphur
Correct Answer : B
Which of the following gases is used in cigarette lighter?
(A) Propane
(B) Radon
(C) Butane
(D) Methane
Correct Answer : C
Which carbohydrate is used in silvering of mirrors?
(A) Glucose
(B) Starch
(C) Fructose
(D) Sucrose
Correct Answer : A
Table salt gets moist during rainy season because -
(A) sodium chloride contains some quantity of sodium iodide
(B) sodium chloride contains hygroscopic impurities like - magnesium chloride
(C) sodium chloride Is hygroscopic
(D) sodium chloride is deliquescent
Correct Answer : B
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Rajesh Bhatia
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