Question

Select a colloidal solutions out of the following a) gold ornaments b) sand grains c) lime water d) paint

Answer 1

Explanation:

Select a colloidal solutions out of the following a) gold ornaments b) sand grains c) lime water d) paint)

d) paint is right answer

Answer 2

To find:

A colloidal solution out of the following options:

• Gold ornaments

• Sand grains

• Lime water

• Paint.

Solution:

The correct option can be found out by the method of elimination;

• Gold ornaments is not a colloid because it is a a solid in solid solution.

• Sand grains is not a colloid because they are simple solid materials.

• Lime water is also not a colloid because it is a true solution consisting of of nitric acid as the solute and water as the solvent.

So, the correct option is paint.

• Paint is a colloidal solution because paint particles (dispersion particles) have been put in a dispersion medium.

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