AP and TS EAMCET Engineering Model Paper 5

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Question : 142 of 160
 
Marks: +1, -0
Among the following, number of correct statements
A) Entropy change for adsorption of gases over solid is positive
B) Gelatin has low value of gold number and is effective protective colloid
C) Like charge on dispersed phase particles is responsible for stability of lyophobic sol
D) Greater the valence of the coagulating ion, greater is its coagulating power
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