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ICSE Class 10 Chemistry Question 45 of 64

Metallurgy — Question 45

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Question 2(2018)

Give one word or a phrase for the statement : The process by which sulphide ore is concentrated.

Answer

Froth flotation process

Reason — Sulphide ores like ZnS and PbS are lighter than the impurities present. They are concentrated by froth flotation process.