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Q: An emulsion is a colloidal solution of
  • A. Liquid in liquid
  • B. Solid in liquid
  • C. Gas in solid
  • D. Solid in solid
Correct Answer: Option A - Colloid is a heterogeneous mixture of two substances. In this the dispersed particles range in size 10⁻⁵ cm to 10⁻⁷ cm. The particle cannot be seen with naked eyes. This particle can pass through the sieve sheet. Examples of colloidal solution, the fat of milk dissolve as an aqueous solution, hence milk is emulsion.
A. Colloid is a heterogeneous mixture of two substances. In this the dispersed particles range in size 10⁻⁵ cm to 10⁻⁷ cm. The particle cannot be seen with naked eyes. This particle can pass through the sieve sheet. Examples of colloidal solution, the fat of milk dissolve as an aqueous solution, hence milk is emulsion.

Explanations:

Colloid is a heterogeneous mixture of two substances. In this the dispersed particles range in size 10⁻⁵ cm to 10⁻⁷ cm. The particle cannot be seen with naked eyes. This particle can pass through the sieve sheet. Examples of colloidal solution, the fat of milk dissolve as an aqueous solution, hence milk is emulsion.