Question

State whether the following are true or false.
(a) A mixture of milk and water can be separated by filtration.
(b) A mixture of water and oil can be separated by distillation.
(c) Filtration will separate wheat from husk
(d) Camphor and sand are mixed together. By heating, camphor will sublime and the vapours can be collected. This will leave behind sand.
(e) A mixture of naphthalene and chalk powder has the smell of naphthalene.
(f) A mixture of tamarind and sugar will taste both sweet and sour.
(g) The process of loading results in better sedimentation.
(h) Sieving is the best method to separate jeera seeds form its stalk.

Answer 1

(a) False. A mixture of milk and water cannot be separated by filtration.

(b) False. A mixture of water and oil can be separated by a separating funnel.

(c) False. Winnowing will separate wheat from husk.

(d) True.

(e) True.

(f) True.

(g) True.

(h) False. Winnowing is the best method to separate jeera seeds from its stalk.