By froth flotation process, carbonate and hydroxide ores are concentrated.
In froth flotation process, pine oil is used as it preferentially wets the gangue particles.

Options

A. If both (A) and ( R) are correct and ( R) is the correct explanation of (A).
B. If both (A) and ( R) are correct, but ( R) is not the correct explanation of (A).
C. If (A) is correct, but ( R) is incorrect.
D. If (A) is incorrect, but ( R) is correct.

Answer

D

Explanation

Correct assertion : By froth flotation process, sulphide ores mainly are concentrated.