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Describe a comspicuous change observed ...

Describe a comspicuous change observed when
(i) a solution of `NaCl` is added to a sol of hydrated ferric oxide.
(ii) a beam of light is passed through a solution of NaCl and then through a sol.

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MODERN PUBLICATION-SURFACE CHEMISTRY-REVISION EXERCISE (SHORT ANSWER QUESTION)
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  12. What is an adsorption isotherm? Describe Freundlich adsorption isother...

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  18. The equation for Freundlich adsorption isotherm is

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  19. What is 'Tyndall effect' ? Name two mixtures which show this effect.

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