Assertion : $C u F e S_{2}$ is concentrated by froth flotation method. Reason: $C u F e S_{2}$ is main ore of copper.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect and Reason is correct

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Froth flotation method is used for the concentration of sulfide ores such as copper pyrites $(C u F e S_{2})$ . Copper is majorly found as $(C u F e S_{2})$ making it the easiest to extract the metal from it. But that is not the reason for the assertion. Thus both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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