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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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Knowledge Check

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

    A
    4
    B
    3
    C
    2
    D
    8

  • As_(2)S_(3) sol is

    A
    positive colloid
    B
    negative colloid
    C
    neutral colloid
    D
    none of these

  • As_(2)S_(3) sol is ,

    A
    postivie colloid
    B
    negative colloid
    C
    neutral colloid
    D
    none of the above

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