Statements : The concentration of sulphide ores by froth floation is based on emulsifcation .
Expabnations : Pine oil in water forms emulsion .
A. S is correct but E is wrong .
B. S is worong but E is correct
C. Both S and E are correct and E is correct explanation of (S) .
D. Both S and E are correct but E is not correct explanation of S.
