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
11​

Answer 1

Answer:

to mix the sample in water and evaporate the solution