Question

What is crystallisation? Write the conditions which helps in choosing a better solvent for crystallisation?

Answer 1

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» Crystallisation :-


The process by which an impure compound is converted into it's crystal known as Crystallisation.


Crystals are the purest forms of a compound.


» Conditions :-


• It should be inert for impurity.


• Substance should dissolve at room temperature but crystalize on cooling.


• All impurities should not dissolve in the solvent.

Answer 2

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Crystallization is a technique used for the purification of substances. A separation technique to separate solids from a solution. ... On adding a solid substance in a liquid and stirring it, the solid dissolves in the fluid.

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