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Chemistry
Haemoglobin and gold sol are examples of :
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Q. Haemoglobin and gold sol are examples of :
JEE Main
JEE Main 2019
Surface Chemistry
A
negatively charged sols
7%
B
positively charged sols]
15%
C
negatively and positively charged sols, respectively
32%
D
positively and negatively charged sols, respectively
45%
Solution:
Haemoglobin $\rightarrow$ positive sol
$ Ag - sol \rightarrow$ negative sol