MCQOPTIONS
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MCQOPTIONS
| 1. |
THE_CHEMICAL_FORMULA_OF_ACETYLENE_IS??$ |
| A. | C<sub>2</sub>H<sub>4</sub> |
| B. | C<sub>2</sub>H<sub>6</sub> |
| C. | C<sub>2</sub>H<sub>5</sub>OH |
| D. | C<sub>2</sub>H<sub>2</sub> |
| Answer» E. | |