Question

Name the technique to separate
(i) butter from curd,
(ii) salt from sea-water,
(iii) camphor from salt.

NCERT Class 9th Science Ch 2 Is Matter Around Us Pure

Answer 1

1. Centrifugation.
2. Evaporation.
3. Sublimation.

Answer 2

The processes involved in the following actions are------> (i) Centrifugation..............(ii) Crystallization or Evaporation........... (iii) Sublimation.........