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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.

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Text Solution

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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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दिये गये निम्न सॉल में से कितने सिलिका अम्ल सॉल को स्कन्दित कर सकते हैं
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