Question

sodium chloride is contaminated with copper 2oxide. explain how pure sodium chloride can be obtained from the mixture?

Answer 1

pure sodium chloride is obtained in this reaction copper does not displace sodium chloride to its oxide and while impurities mix with it we obtained a pure sodium chloride

Answer 2

Answer:

Add water to the mixture of sodium chloride and copper(ii)oxide, sodium chloride will dissolve while copper(ii)oxide does not. Filter and heat the filtrate to dryness to obtain sodium chloride.

Explanation: