Blood is a ………… charged sol.

To stop bleeding from an injury ferric chloride can be applied. Which of the following comment (s) about the statement is justified? (a) it is not true, ferric chloride is highly poisonous (b) it is true, Fe^(3+) ions coagulate blood which is negatively charged sol. (c) it is true, coagulation takes place because of formation of negatively charged sol with Cl^- ions (d) it is not true, Cl^- ions form positively charged sol, profuse bleeding takes place (e) it is not true, ferric chloride is ionic and gets into blood stream

Which of the following is a positively charged sol?

Which of the following is a positively charged sol ?

Which of the following is a positively charged sol ?

Give one example of positively charged sol and one example of negatively charged sol.

Give one example of positively charged sol and one example of negatively charged sol.

An example of a positively of a positively charged sol is