Inorganic Chemistry MCQ with Answers

Inorganic Chemistry MCQ with Answers

196) Copper is refined by:

Answer is:

Poling

197) The slag obtained during the extraction of copper from copper pyrites is composed mainly of:

Answer is:

FeSiO₃

198) Which ore contains both iron and copper?

Answer is:

Chalcopyrite

199) The cheap and high melting point compound used in furnace is:

Answer is:

CaO

200) Which metal is found in free state?

Answer is:

Gold

Explanation:

Au, Ag and Pt are called noble metals. They are unreactive and found in free state.

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