Question

The part of the ore of copper that is richly endowed with copper sulfide is obtained as a froth by agitating with:

• A. pineapple juice
• B. pine oil
• C. lemon juice
• D. eucalyptus oil

Answer 1

The correct option is B pine oil

Solution:- (B) pine oil

In copper extraction, pine oil is used to condition copper sulfide ores for froth flotation. It is used in froth flotation process because it does not have affinity towards water and it attracts impurities which can be washed away.