*$_Pine oil and cresylic acid are used as __________ in the froth floatation process.?

*$_Pine oil and cresylic acid are used as __________ in the froth floa

1.	*$_Pine oil and cresylic acid are used as __________ in the froth floatation process.?
A.	Frother
B.	Collector
C.	Depressor
D.	Conditioner
Answer» B. Collector