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1. |
At room temperature, the rms speed of the molecules of a certain diatomic gas is found to be 1920ms-1. The gas is |
A. | H<sub>2</sub> |
B. | F<sub>2</sub> |
C. | O<sub>2</sub> |
D. | Cl<sub>2</sub> |
Answer» B. F<sub>2</sub> | |