What is the strength of activated carbon?

1.	What is the strength of activated carbon?
A.	Cheapest hydrophobic adsorbent
B.	Only practical adsorbent for adsorption of O2 and N2
C.	Can be regenerated by burning more easily
D.	Less prone to fouling
Answer» B. Only practical adsorbent for adsorption of O2 and N2

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What is the strength of activated carbon?

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