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Question

Assertion: In froth flotation process sodium ethyl xanthate is used as collector.

Reason: Sulphide ores are water soluble.


A

Both assertion and reason are correct and the reason is the correct explanation for the assertion.

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B

Both assertion and reason are correct but the reason is not the correct explanation for the assertion.

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C

Assertion is correct but the reason is wrong

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D

Assertion is incorrect but the reason is correct

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Solution

The correct option is C

Assertion is correct but the reason is wrong


Collectors are the substances that help in attachment of the ore particles to air bubbles in froth. Thus ores are separated from impurities.
Sulphide ores are insoluble in water. Hence, collectors will get attached to the sulphide ores and the ore particles float to the surface. As a result, ores can easily be separated.


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