MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
In plaster mould casting the mould is made from? |
| A. | CaSO<sub>4</sub> |
| B. | CaSO<sub>3</sub> |
| C. | CaSO<sub>2</sub> |
| D. | Ca(SO<sub>4</sub>)<sub>2</sub> |
| Answer» B. CaSO<sub>3</sub> | |