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Question

Wolframite ore is separated from tinstone ore by the process of:

A
roasting
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B
electromagnetic separation
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C
smelting
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D
calcination
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Solution

The correct option is B electromagnetic separation
Wolframite ore is separated from tinstone ore by the process of electromagnetic separation.
Wolframite FeWO4 is magnetic and tinstone SnO2 is non magnetic.

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