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 :

Answer»

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

Solution :SMALLER is the GOLD NUMBER of protective COLLOID, greater is its protective POWER.


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