Question

25(a)Which separation techniques will you apply for the separation of the following mixtures?
(i) Oil from water.
(ii) Camphor from sand
(iii) NaCl (Sodium Chloride) from its solution.
(iv) Metal pieces from engine oil of a car.
(v) Cream from milk.
(vi) Drugs from blood.
(b) Classify the following into elements, compounds and mixtures.
(i) water
(ii) soil
(iii) sugar
(iv) silver​

Answer 1

Answer:

1. Distillation.

2.sublimation.

3.evaporation .

4.vaccum filtration.

5. Centrifugation

6. Chromatography

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Answer 2

Answer:

(a)

(i) Fractional Distillation

(ii) Sublimation

(iii) Evaporation

(iv) Centrifugation or Magnetic Separation

(v) Centrifugation

(vi) Chromatography

(b)

(i) Compound

(ii) Mixture

(iii) Compound

(iv) Element