1.

Asserton : Ethyl xantyhate is used as a collector in froth floatation process. Reason : Collectors depress the loatation property of one of the componenets of the ore and thus help in the separation of different minerals present in the same ore.

Answer»

If both assertion and REASON are true and the reason is the CORRECT explanation of the assertion
If both assertion and reason are true and the reason is not the correct explanation of the assertion
If assertion is true but reason is FALSE.
If the assertion and reason both are false

Solution :Assertionis true but reason is false. Collectors absorbs themselves on polar groups to grains of ores and thus DERIVE then on the surface to passs on into the fourth


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