A) (A) < (C) < (B) < (D)
B) (B) < (D) < (A) < (C)
C) (D) < (A) < (C) < (B)
D) (C) < (B) < (D) < (A)
Correct Answer: A
Solution :
Lesser the value of gold number of a protective colloid, better is its protective power. \[\therefore \] (A) < (C) < (B) < (D)You need to login to perform this action.
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