Gold numbers of protective colloids ` A, B, C` and D are ` 0. 05, 0.01, 0. 10,` and `0. 005` respectively. The correct order of their protective powers is :
A
`D lt A lt C lt B`
B
`Clt B ltD ltA`
C
`Alt C lt B lt D`
D
`B lt D lt A lt C`
Text Solution
Verified by Experts
The correct Answer is:
c
Higher the gold number lesser will be the protective power of colloids .
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