A. Concentrated sulphuric acid
B. Oleum
C. Sulphurous acid
D. Dilute sulphuric acid
Correct Answer: Concentrated sulphuric acid ✔
Last Updated: February 14, 2019
A. Concentrated sulphuric acid
B. Oleum
C. Sulphurous acid
D. Dilute sulphuric acid
Correct Answer: Concentrated sulphuric acid ✔
Last Updated: February 14, 2019