1.

Explain why cobalt choride acts as a humidity indicator.

Answer»

Solution :(i) Changes in PHYSICAL property.
(ii) Colour of cobalt chloride.
(iii) Vapour pressure of cobalt chloride.
(iv) Changes in cobalt chloride in humid ATMOSPHERE.
(V) EFFECT on colour of`CoCl_(2)` DUE to these changes.


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