Question

58. A boy buys common salt from the market which is contaminated with Ammonium
Chloride (NH4Cl) and sand. The procedure he should adopt to obtain pure NaCl is the
following:
(a) to mix the sample in water and evaporate the solution
(b) to mix the sample in water and evaporate the decanted solution
(c) to mix the sample in acetone and evaporate the decanted solution
(d) to heat the sample, then mix in water and evaporate the decanted solution​

Answer 1

Answer:

(b) to mix the sample in water and evaporate the decanted solution

Step-by-step explanation:

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Answer 2

The correct option is b.

The procedure he should adopt to obtain pure NaCl is to mix the sample in water and evaporate the decanted solution.

• The chemical name of NaCl is sodium chloride. It is common salt.
• The best way to obtain pure NaCl or salt is to mix the sample in water and then boil it in. The solution will be evaporated and the pure NaCl will left behind.