Mention one use each of the following.
(a) filter paper
(b) separating funnel
(c) alum
(d) sieve
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Solution
(a) It is used for filtration, to separate the insoluble solid from the liquid. (b) It is used to separate two non miscible liquids. (c) It is used in loading. (d) It is used to separate two solids on the bases of the difference in their sizes.