`SnO_2` forms a positively charged colloidal sol in the acidic medium and negatively charged sol in the basic medium. Explain.

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

Which of the following is/are negatively charged sol?

Ferric chloride forms both positively and negatively charged sols. Explain.

Mixing of positively charged colloidal solution with negatively charged colloidal solution brings __________. The decreasing order of coagulating power of Na^(+), Ba^(2+) and Al^(3+) for negatively charged colloidal solution is ________ .

Name the positively charged proteins around which the negatively charged DNA is wrapped.

which of the following sol is negatively charged ?

Why dehydration of alcohol takes place in acidic medium generally but not in basic medium

Which of the following is positively charged colloidal particle ?

Is haemoglobin negatively or positively charged sol?