Question:

Which one is malachite from the following ?

Updated On: July 22, 2025
  • $Fe_3O_4$
  • $CuCO_3.Cu(OH)_2$
  • $CuFeS_2$
  • $Cu(OH)_2$
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The Correct Option is B

Solution and Explanation

Malachite : ${CuCO_3.Cu(OH)_2}$ (Green colour)
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NEET Notification

Concepts Used:

General Principles and Processes of Isolation of Elements

What are Ores and Minerals? 

Minerals are the naturally occurring, homogeneous inorganic solid substances. They are having a definite chemical composition and crystalline structure, hardness and color. For example, copper pyrite, calamine, etc.

Impurities in an ore are called gauge. The removal of a gauge from the ore is called concentration ore. 

Several steps are involved in the extraction of pure metal from ores. Major steps are as follows –

  • Concentration of the ore
  • Isolation of the metal from its concentrated ore
  • Purification of the metal