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Question

Which of the following is/are a sulphate ore?

A
Iron pyrite
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B
Dolomite
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C
All of the above
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D
Anglesite
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Solution

The correct option is D Anglesite
Minerals from which a metal can be extracted economically and conveniently is called ore.
Dolomite : CaCO3.MgCO3 - Carbonate ore
Anglesite : PbSO4 - Sulphate ore
Iron pyrite is a mineral not an ore.

Hence, option (b) is correct.

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