A. Colour
B. Turbidity
C. Bacteria
D. All A , B. and C.
Correct Answer: D. All A , B. and C. ✔
Last Updated: February 14, 2019
A. Colour
B. Turbidity
C. Bacteria
D. All A , B. and C.
Correct Answer: D. All A , B. and C. ✔
Last Updated: February 14, 2019