

MCQOPTIONS
Saved Bookmarks
1. |
What is the basic combination of acids used in Hydrofluoric acid treatment? |
A. | 13% HF + 12% HCl |
B. | 13% HF + 12% HCl |
C. | 12% HF + 3% HCl |
D. | 3% HF + 12% HCl |
Answer» E. | |