Name any two methods used for separation of substance.
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4
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magnetic separation, hand picking
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suspension
explain: suspension is a heterogeneous mixture in which the small particles of a solid are spread throughout a liquid without dissolving in it example chalk and water mixture and muddy water and milk of magnesia and sand particles suspended in water and flour in water
colloids: A colloid is a kind of solution in which the size of solute particles is intermediate between those in true solution and go in suspension or colloid solution are soap solution and stretch solution and milk and in and blood and jelly and solution of synthetic detergent .
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