MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the ratio of densities of 2 gases, O2 & N2, having partial pressures in the ratio 2:3? |
| A. | 16/21 |
| B. | 12/7 |
| C. | 21/16 |
| D. | 7/12 |
| Answer» B. | |