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From the given following sol how many ca...

From the given following sol how many can coagulate the haemoglobin sol?
`Fe(OH)_(3),Ca(OH)_(2),Al(OH)_(3),` starch, clay, `As_(2)S_(3),CdS,` basic dye.

A

1

B

3

C

4

D

8

Text Solution

Verified by Experts

The correct Answer is:
C
Haemoglobin is positively charged sol. Hence the sol with negative charge can coagulate haemoglobin, i.e., starch clay, `As_(2)S_(3),CdS` .
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