Question 14 Marks
Name the change of state during the following changes :
(a) Formation of clouds.
(b) Drying of wet clothes.
(c) Naphthalene balls become smaller when kept in air.
(d) Formation of snow.
(e) Melting of wax when kept in sunshine.
(a) Formation of clouds.
(b) Drying of wet clothes.
(c) Naphthalene balls become smaller when kept in air.
(d) Formation of snow.
(e) Melting of wax when kept in sunshine.
Answer
View full question & answer→(a) Formation of clouds - gas to solid or liquid.
(b) Drying of cloths - evaporation (from liquid to gas as vapor)
(c) Naphthalene balls become smaller when kept in air- it changes from solid to directly gas.
(d) Formation of snow- liquid to solid and evaporation of water - liquid to gas
(e) Melting of wax in sunshine - melting(from solid to liquid)
(b) Drying of cloths - evaporation (from liquid to gas as vapor)
(c) Naphthalene balls become smaller when kept in air- it changes from solid to directly gas.
(d) Formation of snow- liquid to solid and evaporation of water - liquid to gas
(e) Melting of wax in sunshine - melting(from solid to liquid)