Give any one point of difference between true solution, colloidal solution and suspension.

You are provided with soda water, milk and muddy water. How can you differentiate between them in terms of (i) Homogeneity (ii) Filtration (iii) Tyndall effect?

Which separation techniques will you apply for the separation of the following?

(a) The different pigments from an extract of flower petals

(b) Butter from curd

(c) Oil from water

(d) Tea leaves from tea

(e) Iron pins from sand

(f) Wheat grains from husk

(g) Fine mud particles floating in water.

20g of sodium chloride is dissolved in 100 mL of water. How will you test whether the given solution is saturated or unsaturated at the given temperature?

Suggest any one method by which we can increase the solubility of saturated solutions.