

MCQOPTIONS
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1. |
The r.m.s velocity of oxygen molecules at 27°C is 318 m/s. The r.m.s velocity of hydrogen molecules at 127°C is? |
A. | 1470 m/s |
B. | 1603 m/s |
C. | 1869 m/s |
D. | 2240 m/s |
Answer» B. 1603 m/s | |