The rough value of diffusion co-efficient of water vapor into air at 2 – McqOptions

MCQOPTIONS

1.	The rough value of diffusion co-efficient of water vapor into air at 25Â°C may be about __________ cm 2 /sec.
A.	0.25
B.	2.5
C.	1.25
D.	0.0025
Answer» B. 2.5

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