MCQOPTIONS
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| 1. |
The temperature at which RMS velocity of \[S{{O}_{2}}\] molecules is half that of He molecules at 300 K is [NTSE 1991] |
| A. | 150 K |
| B. | 600 K |
| C. | 900 K |
| D. | 1200 K |
| Answer» E. | |