MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the chemical formula of acetylene? |
| A. | C<sub>3</sub>H<sub>3</sub> |
| B. | C<sub>4</sub>H<sub>4</sub> |
| C. | C<sub>2</sub>H<sub>2</sub> |
| D. | C<sub>4</sub>H<sub>4</sub> |
| Answer» D. C<sub>4</sub>H<sub>4</sub> | |