Q1 of 23 Page 68

Which separation techniques will you apply for the separation of the following?

Fine mud particles suspended in water.

Sedimentation, Decantation and Filtration.


The mud particles are first left undisturbed so that the mud particles settle down in water. Then the water is drawn out in another container. And the remaining water with the mud particles are separated by the process of filtration.


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1

Which separation techniques will you apply for the separation of the following?

Iron pins from sand.

 1

Which separation techniques will you apply for the separation of the following?

Wheat grains from husk

 2

Write the steps you would use for making tea. Use the words given below and write the steps for making tea?

Solution, solvent, solute, dissolve, soluble, insoluble, filtrate and residue.

 3

Explain the following giving examples.

(a) Saturated solution


(b) Pure substance


(c) colloid


(d) Suspension