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Chemistry
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
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Q. 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
NTA Abhyas
NTA Abhyas 2020
A
$D < A < C < B$
B
$C < B < D < A$
C
$A < C < B < D$
D
$B < D < A < C$
Solution:
Higher the gold number, lesser the protective power of the colloid.