Gold numbers of four protective colloids A, B, C and D are 0.5 , 0.01, – InterviewSolution

1.	Gold numbers of four protective colloids A, B, C and D are 0.5 , 0.01, 0.1 and 0.005 respectively. Arrange them in the correct order of their protective power.
Answer» Solution :LESSER the value of gold number , higher will be the PROTECTIVE power. The order of protective poweris :`D gt B gt C gt A`.

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