A sol of `Agl` can be positively or negatively charged. Explain how and why?

Explain A sol of AgI can be positively or negatively charged. Explain, how and why?

Metal sol is negatively charged.

Name the four negatively charged sols.

An example of a positively of a positively charged sol is

Metal sol is negatively charged. True/False

Addition of an excess solution of AgNO_(3) , to a solution of KI gives a positively charged Agl sol, while addition of an excess solution of KI to a solution of AgNO_(3) , results is a negatively charged Agl sol. Explain with reasons.

Is haemoglobin negatively or positively charged Sol?

Is haemoglobin negatively or positively charged sol?