Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator?

Activators are those chemicals which help buoying up one mineral in pr

1.	Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator?
A.	Cresylic acid
B.	Copper sulphate
C.	Calcium carbonate
D.	Sodium carbonate
Answer» C. Calcium carbonate

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Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator?

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