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Question

Chemistry Question on Surface Chemistry

Haemoglobin and gold sol are examples of :

A

negatively charged sols

B

positively charged sols]

C

negatively and positively charged sols, respectively

D

positively and negatively charged sols, respectively

Answer

positively and negatively charged sols, respectively

Explanation

Solution

Haemoglobin−>positivesol{Haemoglobin -> positive sol}
Ag−sol−>negativesol{ Ag - sol -> negative sol}