1. For controlling the growth of algae, the chemical generally used is
A. Lime
B. Copper sulphate
C. Alum
D. Bleaching powder
(Answers will be displayed at the end of the question’s)
1. For controlling the growth of algae, the chemical generally used is
A. Lime
B. Copper sulphate
C. Alum
D. Bleaching powder
(Answers will be displayed at the end of the question’s)