Question

Suggest ways to separate the components of the following mixtures.
(a) Camphor, sand and salt.
(b) Sawdust, common salt and iron nails.
(c) Ammonium chloride, common salt and chalk powder.
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Answer 1

Answer:

evaporation, sublimation & filtration

Explanation:

(a) Camphor, sand and salt.

Camphor : sublimation

salt : evaporation (dissolves in water)

sand : filtration (sinks in water)

(b)Sawdust,common salt and iron nails.

Sawdust : filtration (floats in water)

common salt : evaporation (dissolves in water)

iron nails : remaining thing (magnet)

(c) Ammonium chloride, common salt and chalk powder.

Ammonium chloride : sublimation

common salt : evaporation (dissolves in water)

chalk powder : filtration (floats in water)

Answer 2

Answer:

Sublimation, Filtration, Evaporation

Explanation:

(a) Camphor- Sublimation

Sand- Filtration

Salt- Evaporation

(b) Sawdust- Filtration

Common Salt- Evaporation

Iron Nails- Magnetic separation

(c) Ammonium Chloride- Sublimation

Comman Salt- Evaporation

Chalk Powder- Filtration

Hope It will help you