Question

. Classify the following as true solution, colloids and suspension:
Salt solution, Starch solution, Chalk powder in water, Milk of magnesia, Soda water,
Muddy water

Answer 1

Answer:

Foam is a colloid consisting of dispersed phase gas and dispersing medium solid.

Ink, Blood, Foam are examples of colloids.

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Explanation:

True solution - Salt solution, copper sulphate solution, sugar and water solution, vinegar, air, brass.

Colloidal solution - Milk, Blood, Soap solution, starch solution, ink

Suspension - Milk of magnesia, chalk powder and water solution, flour in water, muddy water.

A true solution has extremely small particles which cannot reflect light, hence a true solution cannot exhibit ‘Tyndall effect