The size of a thin layer of adsorbent is about ____________
A. 0.1 mm
B. 0.2 mm
C. 0.3 mm
D. 0.4 mm
Answer:B
The size of a thin layer of adsorbent is about ____________
A. 0.1 mm B. 0.2 mm C. 0.3 mm D. 0.4 mm