MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the chemical formula of Oleum? |
| A. | H<sub>2</sub>S<sub>2</sub>O<sub>7</sub> |
| B. | H<sub>2</sub>S<sub>2</sub>O<sub>8</sub> |
| C. | H<sub>2</sub>S<sub>2</sub>O<sub>9</sub> |
| D. | H<sub>2</sub>S<sub>2</sub>O<sub>10</sub> |
| Answer» B. H<sub>2</sub>S<sub>2</sub>O<sub>8</sub> | |