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

Explanation

(i) The separation can be done by carrying centrifugation in a centrifugal machine.
(ii) The separation can be done either by crystallisation or by evaporation.
(iii) The process of sublimation helps in separating camphor from salt. Camphor undergoes sublimation.