Which of the following ores is converted into metal oxide by calcination?

Galena

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Cinnabar

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Chalcocite

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Calamine

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Solution

The correct option is D
Calamine
Carbonate ores are converted into oxides by heating strongly in the limited supply of air. This process is known as calcination. Calamine $(Z n C O_{3})$ is a carbonate ore of zinc and therefore, gets converted into zinc oxide (ZnO) by calcination.

Hence, the correct answer is option (d).

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Similar questions

Calcination is a process in which ore is heated in the absence of air. As a result of which the ___ ore is converted into its oxide.

Calamine ore can be converted into zince oxide by the process of:
(a) roasting (b) hydrogenation (c) chlorination (d) calcination

Zinc blende ore can be converted into zinc oxide by the process of:
(a) roasting (b) hydrogenation (c) chlorination (d) calcination

A

A

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