A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate
Correct Answer: Barium sulphate ✔
Last Updated: February 11, 2021
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate
Correct Answer: Barium sulphate ✔
Last Updated: February 11, 2021