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Question 2

Name the technique to separate

(i) butter from curd,
(ii) salt from sea-water,
(iii) camphor from salt.

Answer

(i). Separation of butter from curd can be done by. Centrifugation.
(ii). Separation of salt from sea water can be done by evaporating water, leaving salt behind that can be crystallized out.
(iii). Camphor undergoes sublimation and hence sublimation can be used to separate camphor k salt.

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