HARDMCQ SINGLENEET ChemistryInorganic ChemistryMetallurgyAchiever Section

Assertion: In froth flotation process sodium ethyl xanthate is used as collector. Reason: Sulphide ores are water soluble.

A.A

B.B

C.C✓ Correct

D.D

Explanation

Froth flotation process is based on the preferential wetting of ore particles by the oil and gangue by water. Sodium ethyl xanthate is used as collector. The sulfide ores are thus wetted by oil not water. Hence, reason is incorrect.

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