If gold number of `A, B, C, and D` are `0.005, 0.05, 0.5 and 5` respectively , then which of the following will have the highest protective power

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

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

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

The gold numbers of three lyophobic colloids A, B and C are 0.005, 0.05 and 0.5 respectively. Which one of these will behave as the most effective protective colloid? Why?

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 power is

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 power is