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Q. The major component of which of the following ore is sulphide based mineral?

JEE MainJEE Main 2023General Principles and Processes of Isolation of Elements

Solution:

Calamine: $ZnCO _3$
Siderite : $FeCO _3$
Sphalerite : $ZnS$
Malachite : $CuCO _3 \cdot Cu ( OH )_2$