Laboratory determination of the dif-fusivity of vapor is done by __________ method.
Question: Laboratory determination of the dif-fusivity of vapor is done by __________ method.
[A].
wetted wall column 
Gilliland’s 
Winkel mann’s 
Wike’s 
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
