Inorganic Chemistry MCQ with Answers

Inorganic Chemistry MCQ with Answers

201) In the froth floatation process for the purification of ores, the ore particles float because:

Answer is:

Their surface is not easily wet by water

Explanation:

Ore particles are wet by oil. Hence, they float on the surface.

202) The substance used in the thermite process of reducing metal ores is:

Answer is:

Aluminium

Explanation:

In this process, a mixture of aluminium powder and ferric oxide in the ratio of 1 : 3 is used.

203) During extraction of Fe, slag obtained is:

Answer is:

CaSiO₃

204) In the manufacturing of iron from haematite, the function of limestone is as:

Answer is:

Flux

205) Auto reduction process is used in the extraction of:

Answer is:

Cu and Al

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