MCQOPTIONS
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MCQOPTIONS
| 1. |
Which of these gases or liquids are not used as source of hydrogen in fuel cells? |
| A. | C<sub>2</sub>H<sub>6</sub> |
| B. | C<sub>2</sub>H<sub>2</sub> |
| C. | C<sub>6</sub>H<sub>6</sub> |
| D. | C<sub>2</sub>H<sub>5</sub>OH |
| Answer» E. | |