A. Epsom salt
B. Gypsum salt
C. Blue vitriol
D. Potash alum
Submitted by: ABDUL HAYEE
Correct Answer: Gypsum salt ✔
Last Updated: November 29, 2018
A. Epsom salt
B. Gypsum salt
C. Blue vitriol
D. Potash alum
Submitted by: ABDUL HAYEE
Correct Answer: Gypsum salt ✔
Last Updated: November 29, 2018