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Question: Gold numbers of protective colloids A, B, C and D are 0.50, 0.01, 0.10 and 0.005, respectively. The ...

Gold numbers of protective colloids A, B, C and D are 0.50, 0.01, 0.10 and 0.005, respectively. The correct order of their protective powers is

A

C < B < D < A

B

A < C < B < D

C

A < The adsorption of a gas is directly proportional to the pressure of gas. C < B < D

D

D < A < C < B

Answer

A < C < B < D

Explanation

Solution

Higher the gold number, lesser will be the protective power of colloid.