Question

4.Name the process by which the components of following mixtures can be separated--

a) Iron and sulphur

b) Ammonium Chloride and sand

c) Common salt from sea water.

d) Water and mustard oil

e)Cream from milk.

f)Water and alcohol

Answer 1

A) BY USING MAGNETS WHICH WILL ATTRACT IRON AND LEAVE SULPHUR

B)SUBLIMATION

C)EVAPORATION

D)WINNOWING

E)BY SEPARATING FUNNEL

F)EVAPORATION

G)CENTRIFUGATION

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Answer 2

Answer:

1.Magnetic separation.

2.Sublimation.

Evaporation.

3.Winnowing separates chaff (lighter) from heavier grains in two different heaps.

4.Mustard oil and water is liquid-liquid immiscible mixture and is separated by separating funnel. Water being the heavier forms the lower layer.

5.By evaporation in this process of converting a liquid into its vapour state by heating. Liquid is heated and water evaporate and sugar is obtained.

6.Centrifugation.