A sol may be prepared by precipitation reaction Give one such example How can we find nature of - Chemistry - Surface Chemistry

Question

A sol may be prepared by precipitation reaction Give one such
example How can we find nature of elecric charge on sol particles?

veena Vasandani · Accepted Answer

Kindly refer to the following links:
https://www meritnation
com/ask-answer/question/what-is-use-of-peptisation/surface-chemistry/6668335
https://www meritnation
com/ask-answer/question/please-explain-in-detail-about-the-charge-on-colloidal-parti/surface-chemistry/5552705
https://www meritnation
com/ask-answer/question/the-concept-of-finding-the-charge-on-colloidal-particles-is/surface-chemistry/696019

Experimentally the charge on a sol can be determined by subjecting
the sol to electrophoresis The sol will move to the electrode that
has a charge opposite to the charge on it

A sol may be prepared by precipitation reaction. Give one such example. How can we find nature of elecric charge on sol particles?