Ores are usually contaminated with earthly or undesired materials known as

Dust

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Slag

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Gangue

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Lime

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Solution

The correct option is C Gangue
It is rare for a ore to contain only desired product. It is usually contaminated with earthly or undesired materials known as Gangue.
Example: Silica ( $S i O_{2}$ )

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Similar questions

Ores mined from the earth are usually contaminated with large amounts of impurities known as _______.

The unwanted earthly materials present in an ore are called ___.

Ores mined from the earth are usually contaminated with large amounts of impurities such as soil, sand, etc., are called ____________.

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