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प्रश्न
What type of mixtures is separated by the technique of crystallization?
उत्तर
By the technique of crystallization, pure solids are separated from impurities. For example, salt obtained from sea is separated from impurities; crystals of alum (Phitkari) are separated from impure samples.
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संबंधित प्रश्न
Give a brief description of the principle of the following technique taking an example.
Crystallisation
Describe the method, which can be used to separate two compounds with different solubilities in a solvent S.
Describe how crystals of copper sulphate are prepared.
Which of the following techniques is used for the purification of solid organic compounds?
- Crystallization
- Distillation
Large crystals of pure substances can be obtained from their solutions by the process of ______.
Match the following :
| Column I | Column II | ||
| 1. | Folding of paper | a. | Crystallization |
| 2. | Oxidation | b. | Can be reserved |
| 3. | Zinc coating | c. | Cut apples |
| 4. | Solid in pure form | d. | Galvanisation |
What are crystals?
Benzoic acid is a organic compound. Its crude sample can be purified by crystallisation from hot water. What characteristic differences in the properties of benzoic acid and the impurity make this process of purification suitable?
Prepare crystals of alum.
