MCQOPTIONS
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| 1. |
What was the mixture of gases used in chamber marked A ? |
| A. | Methane (CH4), ammonia (NH3), hydrogen (H2), and water (H2O) |
| B. | Oxygen (O2), ammonia (NH3), hydrogen (H2), and water (H2O) |
| C. | Oxygen (O2), ozone (O3), hydrogen (H2), and water (H2O) |
| D. | all above |
| Answer» B. | |