A) iron (II) sulphide
B) carbon monoxide
C) copper (I) sulphide
D) sulphur dioxide
Correct Answer: A
Solution :
[a] Highly electropositive metals like Al, K, Na etc. are extracted by the electrolytic reduction. zone refining method is used for obtaining metals of high purity e.g. Ge Froth flotation process is suitable for sulphide ores Cyanide process is used for the extraction of gold.You need to login to perform this action.
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