MCQOPTIONS
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MCQOPTIONS
| 1. |
Which of the following do you think is the correct formula for gypsum? |
| A. | CaSO<sub>4</sub>.2H<sub>2</sub>O |
| B. | CaSO<sub>4</sub>.1/2H<sub>2</sub>O |
| C. | CaSO<sub>4</sub>.H<sub>2</sub>O |
| D. | CaSO<sub>4</sub> |
| Answer» B. CaSO<sub>4</sub>.1/2H<sub>2</sub>O | |