What is the main uses of crystallization?Why is it important than evaporation
Answers
Answer:
Crystallization is the better method of separating the mixture than evaporation. This is because, on evaporation, some of the solid particles in mixture get decomposed leaving behind impurities whereas, in crystallization, pure crystals of solids are obtained.
Explanation:
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Explanation:
crystallization=Crystallization refers to the process of precipitating out the pure substance or compound from its solution or from an impure mixture by adding suitable solvent to it.
Crystallisation technique for purification is better than evaporation because: Extent of purification in case of crystallisation technique is very high
#Crystallization Process
1)The solution is heated in an open container
2)The solvent molecules start evaporating, leaving behind the solutes
3)When the solution cools, crystals of solute start accumulating on the surface of the solution
4)Crystals are collected and dried as per the product requirement
5)The undissolved solids in the liquid are separated by the process of filtration
6)The size of crystals formed during this process depends on the cooling rate.
7A large number of tiny crystals are formed if the solution is cooled at a fast rate
8)Large crystals are formed at slow cooling rates
#List some examples of crystallization.
Some common examples of crystallization are listed below.
The crystallization of water to form ice cubes and snow.
The crystallization of honey when it is placed in a jar and exposed to suitable conditions.
The formation of stalagmites and stalactites (especially in caves).
The deposition of gemstone crystals
#What are the uses of crystallization?
Crystallization is primarily employed as a separation technique in order to obtain pure crystals of a substance from an impure mixture. Another important application of crystallization is its use to obtain pure salt from seawater. Crystallization can also be used to obtain pure alum crystals from an impure alum. In such scenarios, crystallization is known to be more effective than evaporation since it also removes the soluble impurities.
#What are the advantages of crystallization?
The key advantages of crystallization are listed below.
1)A product of high purity can be obtained from one single step via the process of crystallization.
2)The dry products formed from crystallization can be directly packaged and stored.
3)The energy requirements and the operating temperatures of this process are relatively low.
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