Chemistry Objective Type Questions and Answers - 1

Question: 1

Which one of the following does not contain silver?

(A) Horn silver

(B) Lunar caustic

(C) German silver

(D) Ruby silver

Question: 2

The M.K.S. system was first introduced by

(A) Archimedes

(B) Eienstein

(C) Newton

(D) Giorgi

Question: 3

The polluted gas emitted from the vehicles is mainly

(A) Nitrogen oxide

(B) Marsh gas

(C) Carbon dioxide

(D) Carbon monoxide

Question: 4

The main constituents of pearls are

(A) Ammonium sulphate and sodium carbonate

(B) Aragonite and conchiotin

(C) Calcium oxide and ammonium chloride

(D) Calcium carbonate and magnesium carbonate

Question: 5

Smoke is an example for

(A) Gel

(B) Emulsion

(C) Solid aerosol

(D) Solution