A. Iodine
B. Benzoic acid
C. Ammonium chloride
D. Potash alum
Correct Answer: Potash alum ✔
Last Updated: February 11, 2021
A. Iodine
B. Benzoic acid
C. Ammonium chloride
D. Potash alum
Correct Answer: Potash alum ✔
Last Updated: February 11, 2021