1.

Mention the inter-conversions associated with the following phenomena. (a) Wet clothes are hanged on a string. (b) Appearance of dew drops on the leaves on winter morning. (c) Foggy appearance on a mirror when exhaled air is blown over it. (d) Occurrence of snow fall. (e) Reduction in size of naphthalene balls when placed in a cupboard.

Answer»

Solution :(a) EVAPORATION (B) Condensation (c) Condensation
(d) Direct CONVERSION of water VAPOUR into ice crystals as very low temperatures
(e) Sublimation.


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