MCQOPTIONS
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| 1. |
A combustion reaction has reactants 1 mole of CxHy and 2 moles of O₂ and products 1 mole of CO₂ and 2 mole of H₂O, what is x + y? |
| A. | 1 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» E. | |