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SAI International School
Subject-Chemistry

Ch-Is Matter around us pure?
Differentiating different types of solutions on the basis of
Transparency,Filtration & stability.
Practical Worksheet

Name: AdmNo: Class/Sec: ( )
Dt:_________________

1.When egg albumin is added to water the clear solution becomes turbid. How would
you test to confirm the type of solution formed ?
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2. When you are asked by your science teacher to prepare a solution from the following
solutes,which one would you prefer to prepare the solution.
Egg albumin , Sulphur powder , Barium sulphate and Alum . What would have you
got if you would have used egg albumin?
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3. After you prepared the following solutions,which one did settle down when kept
undisturbed for some time?
blood in water , muddy water , copper sulphate solution & Egg albumin in water. What
type of mixture is it?

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4.While doing the experiment, one of your friend added a substance `X’ to distilled
water. On stirring thoroughly the aqueous solution was left to stand for sometime. It
was observed that its particles began to settle at the bottom. By this information what
do you infer about the solution ? What would happen if a beam of light is passed
through this solution ?

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