Assertion :In froth floatation method, collectors such as pine oil xanthates are added to the suspension of powdered ore. Reason: Collectors stabilizes the froth.

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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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
Froth floatation method is used for removing gangue from sulphide ores. In this process, a suspension of the powdered ore is made with water.
Collectors and froth stabilisers are added to it. Collectors (e.g., pine oils, fatty acids, xanthates, etc.) enhance nonwettability of the mineral particles and froth stabilisers (e.g., cresols, aniline) stabilise the froth.
Hence,assertion is correct and reason is incorrect.

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Similar questions

In the following questions a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the coreect answer out of the following choices.
(a) Both assertion and reason are true and reason is the coreect explanation of assertion.
(b) Both assertion and reason are true but reason is not the correct explanation of assertion.
(c) Assertion is true but reason is false.
(d) Assertion is false but reason is true.
(e) Assertion and reason both are wrong.
Assertion (A) Sulphide ores are concentrated by froth flottion method.
Reason (R) Cresols stabilise the froth in froth floatation method.

Q. Assertion: The impurities such as