Enumerate any two differences between sample distillation and fractional distillation.

10ml of H₂SO₄ is dissolved in 90 ml of water. Calculate mass by volume percentage of solution.

How are emulsions different from Gels? Give one example of each.

Calculate the mass of potassium sulphate required to prepare its 10% solution in 100 g of water.

Explain the following giving examples:

(a) Saturated solution

(b) Pure substance

(c) Colloid

(d) suspension