Which of the following is not a negatively ch | vedclass

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Question

(B) Colloidal particles carry an electric charge. $As_2S_3$ (Arsenic sulfide) is a well-known negatively charged sol. Clay is also a negatively charge

Vedclass · Accepted Answer

Haemoglobin

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(B) Colloidal particles carry an electric charge. $As_2S_3$ (Arsenic sulfide) is a well-known negatively charged sol. Clay is also a negatively charged sol. Congo red is a dye that forms a negatively charged sol. Haemoglobin is a positively charged sol because it is a protein that exists in a positively charged state at a $pH$ below its isoelectric point. Therefore,Haemoglobin is not a negatively charged sol.

Which of the following is not a negatively charged sol?

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