TNPSC Group 4 Chemistry Question Paper with Answers - 3

Question: 11

The location and energy of an electron in an atom can be specified by

(A) Atomic number

(B) Atomic mass

(C) Quantum numbers

(D) None of the above

Question: 12

_____ synthetic fiber is known as artificial silk.

(A) Terylene

(B) Rayon

(C) Cotton

(D) Nylon

Question: 13

Which of the following is not correctly matched?

(A) Calomel : Mercurous chloride

(B) Plaster of Paris : Calcium sulphate

(C) Green vitriol : Copper sulphate

(D) Galena : Lead sulphide

Question: 14

Cotton fibers are made of

(A) Cellulose

(B) Starch

(C) Proteins

(D) Fats

Question: 15

A mixture of water and alcohol can be separated by

(A) Evaporation

(B) Filtration

(C) Decantation

(D) Distillation