A. Sulphuric acid
B. Phosphoric acid
C. Hydrochloric acid
D. Hydrofluoric acid
Correct Answer: Sulphuric acid ✔
Last Updated: February 14, 2019
A. Sulphuric acid
B. Phosphoric acid
C. Hydrochloric acid
D. Hydrofluoric acid
Correct Answer: Sulphuric acid ✔
Last Updated: February 14, 2019