A. Copper sulphate
B. Barium sulphate
C. Cobalt sulphate
D. Nickel sulphate
Correct Answer: Barium sulphate ✔
Last Updated: August 12, 2022
A. Copper sulphate
B. Barium sulphate
C. Cobalt sulphate
D. Nickel sulphate
Correct Answer: Barium sulphate ✔
Last Updated: August 12, 2022