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Mass Transfer

Q1:

Pore size of the molecular seive 5A is __________ mm.

A 5

B 0.5

C 0.05

D 50

ANS:B - 0.5

The pore size of a molecular sieve, such as 5A zeolite, is typically expressed in units of angstroms (Å), not millimeters (mm). Molecular sieve 5A has a pore size of approximately 5 angstroms. Therefore, the correct answer is 5.



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