Saturated Solutions

How can you show that your solution is really saturated?

Explain why:

A solution is always clear and transparent.

If you are given some copper sulphate crystals, how would you proceed to prepare its saturated solution at room temperature?

Explain why a hot saturated solution of potassium nitrate forms crystals as it cools.

Which test will you carry out to find out if a given solution is saturated or unsaturated or supersaturated?

State the term:

When a substance absorbs moisture on exposure to moist air and dissolves in the absorbed water and turned to solution.

When a substance absorbs moisture from the atmosphere but does not form a solution.

State two ways by which a saturated solution can be changed to unsaturated solution.