Question

Smoke is an example of

• A. Solid dispersed in solid
• B. Solid dispersed in gas
• C. Solid dispersed in liquid
• D. Gas dispersed in solid

Answer 1

The correct option is B

Solid dispersed in gas

Smoke:

• Smoke is a colloidal solution of suspended dust particles in the air.
• So, in the smoke dispersed phase is solid dust particles, and the dispersed medium is air which is a mixture of gases.
• Hence, Smoke is a solid aerosol-type colloid consisting of the solid dispersed phase in the gaseous dispersed medium.

Hence option (B) is correct