Q2 of 15 Page 44

Answer the following questions.

Give any two examples of solvents other than water.

Solvents are substances which dissolve the solute particles in it. The solvent is present in large quantities when compared to the solute.


Water is a good solvent. Petrol, alcohol are examples of other solvents.


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2

Answer the following questions.

Give an example to each of the following.


a. Suspension b. Colloidal solution.

 2

Answer the following questions.

Define:


a. Tyndall effect


b. Brownian movement.

 3

Give a scientific reason for the following:

Gases do not have a definite shape and volume.

 3

Give a scientific reason for the following:

Ornamental gold is an example for the homogeneous mixture.