A. Sodium silicate
B. Sodium borate
C. Sodium tripolyphosphate (STPP)
D. Caustic soda
Correct Answer: Sodium borate ✔
Last Updated: February 14, 2019
A. Sodium silicate
B. Sodium borate
C. Sodium tripolyphosphate (STPP)
D. Caustic soda
Correct Answer: Sodium borate ✔
Last Updated: February 14, 2019