MCQOPTIONS
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MCQOPTIONS
| 1. |
The chemical compound which is insoluble in water, formed when alum is added to water is _____ |
| A. | Al (OH)<sub>3</sub> |
| B. | CaSO<sub>4</sub> |
| C. | CO<sub>2</sub> |
| D. | Ca (OH)<sub>3</sub> |
| Answer» B. CaSO<sub>4</sub> | |