A. Bleaching powder
B. Lime powder
C. Aluminium sulphate
D. None of these
Correct Answer: Lime powder ✔
Last Updated: February 08, 2019
A. Bleaching powder
B. Lime powder
C. Aluminium sulphate
D. None of these
Correct Answer: Lime powder ✔
Last Updated: February 08, 2019