1.

What is the surface area of the gel resin?

A. t0.01m<sup>2</sup>/gm
B. t0.5 m<sup>2</sup>/gm
C. t1-2m<sup>2</sup>/gm
D. t2-4 m<sup>2</sup>/gm
Answer» B. t0.5 m<sup>2</sup>/gm


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