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Is Matter Around Us Pure
What are the advantages and disadvantages of crystallization over evaporation?
Crystalization seperate as solid crystals and if we evapourated its being lost and both on heating.
Advantages of crystallization:
(i) Fine crystals of the substance are obtained.
(ii) Solids which decompose on heating can be safely purified.
Disadvantages of crystallization:
(i) Some substance remains with the liquid/solvent.(ii) Liquid needs to be purified for further use.
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Which separation techniques will you apply for the separation of the following?
Sodium chloride from its solution in water.
Which separation techniques will you apply for the separation of the following?
Ammonium chloride from a mixture containing sodium chloride and ammonium chloride.
Which separation techniques will you apply for the separation of the following?
Small pieces of metal in the engine oil of a car.
Which separation techniques will you apply for the separation of the following?
Different pigments from an extract of flower petals.
Which separation techniques will you apply for the separation of the following?
Butter from curd.
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