Aluminium hydroxide forms a positively charged sol.
Which of the following ionic substances should be most effective in coagulating the sol?

Arsenic (III) sulphide forms a sol with a negative charge. Which of the following ionic substances should be most effective in coagulating the sol?

Arsenic (III) sulphide forms a sol with a negative charge. Which of the following ionic substances should be most effective in coagulating the sol?

Arsenic (III) sulphide forms a sol with a negative charge. Which of the following ionic substances should be most effective in coagulating the sol?

Arsenic (III) sulphide forms a sol with a negative charge which of the following ionic substances should be most effective in coagulating the sol

which of the following electrolyte will be most effective in coagulation of negative sol ?