Question

Identify the incorrect statement.

Options

• 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 1

Gangue is an ore contaminated with undesired materials.

Explanation:

Gangue is not an ore. Gangue refers to the undesired materials or impurities present in an ore from which the metal is to be extracted. An ore is a mineral or a combination of minerals from which a metal can be profitably extracted.