Suggest a suitable technique to separate the constituents of the following mixtures. Also, give the reason for selecting the particular method. (a) Salt from seawater (b) Ammonium chloride from sand (c) Chalk powder from water (d) Iron from sulphur (e) Water and alcohol (f) Sodium chloride and potassium nitrate (g) Calcium carbonate and sodium chloride
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Answer:
a) evaporation
c)filtration
Explanation
a) it will evaporate all water and salt will be left behind
c) chalk powder will be left on filter paper and clean water will be obtained
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