Q. Which of the following minerals are found in placer deposits?
1.Gold
2.Tin
3.Platinum
Select the correct option from below given codes:

[A] Only one

[B] Only two

[C] Only three

[D] None

Answer: C
Notes:

Explanation: Certain minerals may occur as alluvial deposits in sands of valley floors and the base of hills.

  • These deposits are called ‘placer deposits’ and generally contain minerals, which are not corroded by water.
  • Gold, silver, tin and platinum are the most important of such minerals.

Source: NCERT

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