A mineral is known as the ore of a metal if the metal:

can not be produced from it

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can be produced from it

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can be produced from it profitably

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present in it, is very costly

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Solution

The correct option is C can be produced from it profitably
A mineral is known as the ore of a metal if the metal can be produced from it profitably. There can be many minerals of a metal but the ones which undergo purification are known as ores.

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The metal that is produced from bauxite ore is ___________.

A metal X which is resistant to corrosion is produced by the electrolysis of its molten oxide whereas another metal Y which is also resistant to corrosion is produced by the reduction of its oxide with carbon. Metal X can be used in powder form in thermite welding whereas metal Y is used in making cathodes of ordinary dry cells.
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(b) Which of the two metals is more reactive: X or Y?
(c) Name one ore or metal X. Also, write its chemical formula.
(d) Name one ore of metal Y. Also, write its chemical formula.
(e) Name one alloy of metal X and one alloy of metal Y.

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A mineral is known as the ore of a metal if the metal:

The correct option is C can be produced from it profitablyA mineral is known as the ore of a metal if the metal can be produced from it profitably. There can be many minerals of a metal but the ones which undergo purification are known as ores.

The correct option is C can be produced from it profitably
A mineral is known as the ore of a metal if the metal can be produced from it profitably. There can be many minerals of a metal but the ones which undergo purification are known as ores.