1.

The gold number of protective colloids A,B,C and D are 0.02, 0.002, 10 and 30 respectively. then the protective powers of A,B,C and D are in the order

Answer»

`DgtCgtAgtB`
`DgtCgtBgtA`
`AgtBgtCgtD`
`BgtAgtCgtD`

ANSWER :D


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