Pine oil and cresylic acid are used as __________ in the froth floatation process.

Pine oil and cresylic acid are used as __________ in the froth floatat

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

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Pine oil and cresylic acid are used as __________ in the froth floatation process.

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