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a. Choose the ore from those given below which can be used in the above figure. Bauxite, Tin stone, Copper pyrites, Calamine 

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a. Choose the ore from those given below which can be used in the above figure. Bauxite, Tin stone, Copper pyrites, Calamine 

b. Give reason for your answer:

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a. Tin stone (SnO2) 

b. This figure depicts magnetic separation. SnO2 is a magnetic ore. But the gangue, iron tungstate present in this also has magnetic property.

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