______ determines the surface area of powder by measuring the amount o – McqOptions

MCQOPTIONS

1.	______ determines the surface area of powder by measuring the amount of gas adsorbed by a monomolecular layer of the powder.
A.	Centrifugal method
B.	Gas absorption method
C.	Gas adsorption method
D.	Permeability method
Answer» D. Permeability method

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