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Explain what is observed when: A beam of light is passed through a colloidal solution. An electric…
Explain what is observed when:
(i)
A beam of light is passed through a colloidal solution.
(ii)
An electric current is passed through a colloidal solution.
(iii)
An electrolyte ($\text{AlCl}_3$) is added to a colloidal solution of arsenious sulphide ($\text{As}_2\text{S}_3$).
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From ISC 2020 Chemistry Paper 1, question 12.