Question

classify the following into true solutions and colloids.
ink, salt solution, starch solution, blood,milk,foam and shaving cream

Answer 1

ink :C
salt solution :TS
starch solution :C
blood :C
milk :C
foam :C
shaving cream :C

Answer 2

Classification of given substances as true solutions and colloids

• The solution are of three types namely:

1. True solution
2. Colloidal solution
3. Suspension

• The type of solution which is homogeneous and is composed of solute and solvent is called a true solution.
• The type of solution which is chemically heterogeneous but appears as the homogeneous mixture is called a colloidal solution. It has a dispersion medium and dispersed phase.

Classification of given substances:

Colloidal solutions:

Ink - Dispersed phase: Solid, Dispersion medium: Liquid, Type: Sol

Blood - Dispersed phase: Solid, Dispersion medium: Liquid, Type: Sol

Milk - Dispersed phase: Liquid, Dispersion medium: Liquid, Type: Emulsion

Foam - Dispersed phase: Gas, Dispersion medium: Solid, Type: Solid Sol

Shaving cream - Dispersed phase: Gas, Dispersion medium: Liquid, Type: Foam

Starch solution

True solutions:

Salt solution - Solute: Salt, Solvent: Water

Learn more about such concept

Distinguish between true solution , colloid and suspension on the basis of solubility in tabular form

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Which one is not a colloidal solution?

Smoke

Air

Ink

Blood

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