1.

The gold numbers of protective colloids `A,B,D` and `D` are `0.04,0.004,10` and 40 respectively. The protective powers of `A,B,C,` and `D` are in the order `:`A. `AgtBgtCgtD`B. `BgtAgtCgtD`C. `DgtCgtAgtB`D. `DgtCgtBgtA`

Answer» Correct Answer - 2
Smaller is the gold number of protective colloid, greater is its protective power.


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