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Which of the following sols on mixing will precipitate?
Haemoglobin(I), Charcoal(II), Gelatin(III), Clay(IV), Gold sol(V)
Option: 1
I and V
Option: 2
II and V
Option: 3
III and IV
Option: 4
II and III
Answers (1)
Haemoglobin is positively charged and Gold Sol is negatively charged. On mixing they undergo mutual coagulation.
Hence option 1 is correct.
View full answer
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