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Question

Manganese is called ferro-alloy because _________.

A
It is not smelt with any other mineral
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B
It is used in the production of aluminium
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C
It is smelted with iron ore to get steel
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D
It is used in chemical industry.
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Solution

The correct option is C It is smelted with iron ore to get steel
Manganese is mainly used in the manufacturing of steel and ferromanganese alloy. Nearly 10 kg of manganese is required to manufacture one tonne of steel. It is also used in manufacturing bleaching powder, insecticides and paints.

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