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Question

Which of the following ore contains iron and copper?


A

Malachite

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B

Azurite

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C

Copper pyrite

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D

None of these

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Solution

The correct option is C

Copper pyrite


Explanation for the correct option:

Option (c):

  • The ore is the naturally occurring minerals in the earth's crust from which the metals are extracted.
  • The formula of Copper pyrite is CuFeS2.
  • Copper pyrite is the ore that contains iron and copper.
  • It is the principal ore of copper.

Explanation for the incorrect options:

Option (a):

  • The formula of Malachite is CuCO3.Cu(OH)2.
  • Malachite is the ore that contains only copper metal in it.
  • It is the principal ore of copper.

Option (b):

  • The formula of Azurite isCu(OH)2.2CuCO3.
  • Azurite is the ore that contains copper.

Option (d):

  • Copper pyrite contains copper and iron so the answer cannot be none of these.

Final answer:

Hence, Option (c) is the correct answer. The ore contains copper and iron is Copper pyrite.


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