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Identify the incorrect statement.

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Gangue is an ore contaminated with undesired materials

The scientific and technological process used for isolation of the metal from its ore is known as metallurgy

Minerals are naturally occurring chemical substances in the earth's crust

Ores are minerals that may contain a metal

answer is A.

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Detailed Solution

Gangue is the earthly or undesired material which is contaminating the ore.

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