SELECT * FROM question_mgmt as q WHERE id=3955 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=8 AND subId=16 AND chapterId=181 and ex_no='3' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 9th science Is Matter Around Us Pure name the technique to separate i butter from

Question:

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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