MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the chemical formula of deuterosulphuric acid? |
| A. | DSO |
| B. | D<sub>2</sub>SO<sub>4</sub> |
| C. | DSO<sub>2</sub> |
| D. | D<sub>2</sub>SO |
| Answer» C. DSO<sub>2</sub> | |