TNPSC Chemistry Quiz - 1

Question: 1

On chemical analysis, a bottle cork is found to contain primarily

(A) Lipids

(B) Tannins

(C) Carbohydrates

(D) Proteins

Ans: C

Carbohydrates

Question: 2

When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together?

(A) Covalent attraction

(B) Dipole interaction

(C) Vander walls forces

(D) Hydrogen bond formation

Ans: D

Hydrogen bond formation

Question: 3

The gas which had leaked out of Union Carbide factory in Bhopal was

(A) Methyl isocynate

(B) Carbon monoxide

(C) Methyl cyanide

(D) Sulphur dioxide

Ans: A

Methyl isocynate

Question: 4

Which of the following is also known by the name of liquid gold?

(A) Aquaregia

(B) Pyrine

(C) Platinum

(D) Petroleum

Ans: D

Petroleum

Question: 5

Which one among the following is a strong smelling agent added to LPG cylinder to help in the detection of gas leakage?

(A) Thio ethanol

(B) Ethanol

(C) Chloroform

(D) Methane

Ans: A

Thio ethanol

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