100+ Chemistry Nature of Matter Questions and Answers - 2

Question: 6

What is caustic soda?

Caustic soda is sodium hydroxide. It is used in the preparation of soap.

Question: 7

What is matter?

Matter is a collection of particles that constitutes a body. It has mass, volume, inertia, weight and density.

Question: 8

What is a colloid?

Colloid is a suspension that contains extremely small particles.

Question: 9

What is empirical formula?

The empirical formula of a compound is the simplest formula deduced from its percentage composition.

Question: 10

What is meant by atomicity?

The number of atoms present in a molecule of an element is called atomicity.