_____________ gas is normally employed in B.E.T. method of finding out the surface area of catalyst?
A. N2
B. H2
C. CO2
D. He
Correct Answer: N2 ✔
Last Updated: February 19, 2019
A. N2
B. H2
C. CO2
D. He
Correct Answer: N2 ✔
Last Updated: February 19, 2019