Question

Give three characteristics of pure substances.

Answer 1

Pure substance:

• The substances which are made up of the same kind of particles are called pure substances.
• Pure substances are of two types: elements and compounds.
• For example gold, silver, iron, water, carbon dioxide, etc.

Characteristics of pure substances:

• Pure substances are homogeneous in nature.
• They have fixed melting and boiling points.
• They are made up of the same kind of particles.