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NTA Abhyas JEE Main2020ChemistryGeneral Principles and Processes of Isolation of MetalsPractice

The number of carbonate ore among the following. Pyrolusite, Malachite, Diaspore, Calamine, Cassiterite, Siderite, Cerussite, Pyrite, Dolomite, Magnesite.

Correct answer

6

Step-by-step solution

Pyrolusite - M n O 2 , Malachite - C u C O 3 . C u O H 2 , Diaspore - A l 2 O 3 . H 2 O , Calamine- Z n C O 3 , Cassiterite- S n O 2 Siderite- F e C O 3 , Cerussite- P b C O 3 , Pyrite- F e S 2 , Dolomite- M g C O 3 . C a C O 3 , Magnesite- M g C O 3

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