A. Alum
B. Ferric chloride
C. Ferric sulphate
D. Chlorinated copperas
Correct Answer: Ferric chloride ✔
Last Updated: August 25, 2020
A. Alum
B. Ferric chloride
C. Ferric sulphate
D. Chlorinated copperas
Correct Answer: Ferric chloride ✔
Last Updated: August 25, 2020