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Arsenide and sulphoarsenide are two important ores of _________

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Arsenide and sulphoarsenide are two important ores of _________

(a) Aluminium

(b) Cobalt

(c) Steel

(d) Iron

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I'd like to ask this question from Non-Ferrous Metals and Alloys topic in division Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials

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Right option is (b) Cobalt

The explanation is: Arsenide and sulphoarsenide are two important ores of cobalt. The ores are purified and then fused with limestone in a blast furnace. Impure oxide of cobalt is produced.

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