A. B, C, A
B. A, B, C
C. B, A, C
D. C, A, B
The decomposition of H2O2 may be decreased by adding a small quantity of glycerol.This is an example of
The gold numbers of three protective colloids A, B, and C are 0.05, 0.01 and 0.5 respectively. The decreasing order of their protective power is