MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
The sodium carbonate lining consists of at lest |
| A. | 6% sodium carbonate and 10% clay |
| B. | 10% sodium carbonate and 6% clay |
| C. | 1% sodium carbonate and 6% clay |
| D. | 1% clay and 6% sodium carbonate |
| Answer» B. 10% sodium carbonate and 6% clay | |