A. Flocculate the impurities
B. Facilitate fast filtration
C. Both A. and B.
D. Neither A. nor B.
Correct Answer: C. Both A. and B. ✔
Last Updated: February 14, 2019
A. Flocculate the impurities
B. Facilitate fast filtration
C. Both A. and B.
D. Neither A. nor B.
Correct Answer: C. Both A. and B. ✔
Last Updated: February 14, 2019