MCQOPTIONS
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MCQOPTIONS
| 1. |
The chemical composition of Alum is |
| A. | Al<sub>2</sub> (SO<sub>4</sub>)<sub>3</sub>.18H<sub>2</sub>O |
| B. | Al<sub>2</sub> (SO<sub>4</sub>)<sub>2</sub>.18H<sub>2</sub>O |
| C. | Al<sub>3</sub> (SO<sub>4</sub>)<sub>2</sub>.18H<sub>2</sub>O |
| D. | Al<sub>4</sub> (SO<sub>4</sub>)<sub>3</sub>.18H<sub>2</sub>O |
| Answer» B. Al<sub>2</sub> (SO<sub>4</sub>)<sub>2</sub>.18H<sub>2</sub>O | |