Q. Which of the following is a non-metallic mineral?

[A] Silver

[B] Zinc

[C] Lead

[D] Coal

Answer: D
Notes:

Explanation: Metallic Minerals:

These minerals contain metal content and can be sub-divided into three types:

  • Precious metals: gold, silver, platinum etc.
  • Ferrous metals: iron and other metals often mixed with iron to form various kinds of steel.
  • Non-ferrous metals: include metals like copper, lead, zinc, tin, aluminium etc.

Source: NCERT Class 11

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