State four differences between compounds and mixtures.

What are the characteristic properties of a pure substance? Why do we need them?

Define:

(a) Evaporation

(b) Filtration

(c) Sublimation

(d) Distillation

(e) Miscible liquids

(f) Immiscible liquids

Name the process by which the components of following mixtures can be separated.

(a) Iron and sulphur

(b) Ammonium chloride and sand

(c) Common salt from sea water

(d) Chaff and grain

(e) Water and mustard oil

(f) Sugar and water

(g) Cream from milk