McqMate
| Q. |
The RMS velocity of hydrogen gas at N.T.P. is nearly |
| A. | 4839 m/s |
| B. | 839 m/s |
| C. | 1839 m/s |
| D. | 2839 m/s |
| E. | 3839 m/s |
| Answer» C. 1839 m/s | |
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