Question

Which phenomenon occurs during the following changes :
(a)Size of naphthalene balls decreases.
(b)Solid wax left out in the sun.
(c)Drying of wet clothes .
(d)Formation of clouds.

Answer 1

a&b)sublimation
c)evaporation
d) precipitation

Answer 2

Hello Alice,

● Answers -
(a) Size of naphthalene balls decreases.
Phenomenon => Sublimation (as solid changes to gas)

(b) Solid wax left out in the sun.
Phenomenon => Melting (as solid changes to liquid)

(c) Drying of wet clothes.
Phenomenon => Evaporation (as liquid changes to gas)

(d) Formation of clouds.
Phenomenon => Condensation (as gas changes to liquid)

Hope this solved your query...