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Gold number of protective colloids A, B,...

Gold number of protective colloids A, B, C and D are 0.50, 0.01, 0.10 and 0.005 respectively. The correct order of their protecting power

A

`B lt D lt A lt C`

B

`Delta lt A lt C lt B`

C

`C lt B lt D lt A`

D

`A lt C lt B lt D`

Text Solution

Verified by Experts

The correct Answer is:
D
Larger the gold number, lesser the protective power.
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