Question

Which separation technique will you apply for the separation of the following-
(a) Pure copper sulphate from impure sample
(b) components of air
(c) Drugs from blood
(d) Ammonium chloride from sodium chloride
(e) Butter from cream
(f) water and acetone (56 degree celsius)
(g) water and alcohol (78 degree celsius)

Answer 1

Answer:

By sublimation process, ammonium chloride can be obtained as sublime from the mixture which contains sodium chloride and ammonium chloride. (3) Small pieces of metal in the engine oil of a car may be separated by the filtration process using an appropriate filter.

Answer 2

Answer:

1) Crystallisation

2) Fractional Distillation

3)Chromatography

4) Sublimation

5) Centrifugation

6)Fractional Distillation

7) Fractional Distillation