Crystallization
Crystallization
The process of evaporation gives only the residue which may contain some impurities. To obtain the solid free from impurities the method of crystallization is used. For this, the solution is taken in a china dish and evaporated on a water bath till the solution becomes saturated. To check whether the saturation point has reached or not, take some solution on a glass rod and cool it. At the point of saturation, solid particles in regular and definite shape begin to appear. These particles are called crystals.
The saturated solution is removed from the flame and allowed to cool to the room temperature. The crystals of the solid separate from the solution. The process is called crystallization. The crystals are then filtered out. Thus, the process by which a pure solid in the form of crystals separates from a solution is called crystallization. Hence, the process of crystallization is used to purify solids.
Application of Crystallization:
A mixture of | |||
| Right Option : B | |||
| View Explanation | |||
Salt obtained from sea water contains many impurities which can be removed by ____________________________. | |||
| Right Option : C | |||
| View Explanation | |||
Purification of salt that we get from sea water is done by | |||
| Right Option : B | |||
| View Explanation |
Students / Parents Reviews [20]
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7thIn terms of methodology I want to say that institute provides expert guidence and results oriented monitering supplements by requsite study material along with regular tests which help the students to improve their education skills.The techniques of providing education helps the students to asses...
