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Chemistry · PYQ NEET UG 2019(2)

हिन्दी

Identify the INCORRECT statement.

  1. Gangue is an ore contaminated with undesired materials.
  2. The scientific and technological process used for isolation of the metal from its ore is known as metallurgy.
  3. Minerals are naturally occurring chemical substances in the earth's crust.
  4. Ores are minerals that may contain a metal.

Correct answer · Option 4

Ores are minerals that may contain a metal.

Explanation

Ores are specifically those minerals from which metals can be extracted commercially and profitably, not just any mineral containing a metal.
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