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Which mineral is also used in chemical industry for manufacture of chromates?

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Which mineral is also used in chemical industry for manufacture of chromates?

(a) Iron

(b) Chromite

(c) Bauxite

(d) Copper

This question was addressed to me during an online interview.

The question is from Mineral Resources of India topic in chapter Economic Mineral Deposits of Engineering Geology

1 Answer

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The correct choice is (b) Chromite

For explanation I would say: Chromite is a strategic mineral finding applications in metallurgy of alloy steels, as a source of metal chromium and as a refractory material. It is used in the chemical industry for the manufacture of chromates.

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