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The process of separating a pure substance in the form of crystals from the hot saturated solution by cooling is called
- a)distillation
- b)crystallization
- c)condensation
- d)evaporation
Correct answer is option 'B'. Can you explain this answer?
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The process of separating a pure substance in the form of crystals fro...
Crystallization Process Explanation:
Crystallization:
Crystallization is the process of separating a pure substance in the form of crystals from a solution. It involves the formation of solid crystals from a homogeneous solution.
Steps involved in Crystallization:
- Formation of Saturated Solution: Initially, a hot solution is prepared by dissolving the substance in a solvent at an elevated temperature. The solution is then saturated with the substance.
- Cooling the Solution: The hot saturated solution is allowed to cool slowly. As the temperature decreases, the solubility of the substance decreases, leading to the formation of crystals.
- Crystal Formation: As the solution cools, the solute molecules come closer together and start to arrange themselves in a regular, repeating pattern to form crystals.
- Separation of Crystals: The crystals are separated from the remaining solution using techniques such as filtration or centrifugation.
- Drying the Crystals: The collected crystals are then dried to remove any remaining solvent.
Significance of Crystallization:
- Crystallization is a widely used technique in the purification of substances.
- It helps in obtaining pure substances in a solid form.
- It is used in various industries such as pharmaceuticals, food, and chemicals for the production of high-quality products.
In conclusion, crystallization is a simple yet effective method for separating pure substances in the form of crystals from a solution. By controlling the cooling process, one can obtain high-quality crystals with a high degree of purity.
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The process of separating a pure substance in the form of crystals fro...
The process of separating a pure substance in the form of crystals from the hot saturated solution by cooling is called crystallization.
Crystallization is a process widely used in various industries, including pharmaceuticals, chemicals, and food processing. Here is a detailed explanation of the process:
1. Hot Saturated The process starts with a hot saturated solution. A saturated solution is a solution that contains the maximum amount of solute that can be dissolved at a given temperature. The solution is heated to dissolve as much solute as possible.
2. Cooling: The hot saturated solution is then allowed to cool slowly. As the temperature decreases, the solubility of the solute decreases. At a certain temperature known as the saturation point, the solute starts to come out of the solution in the form of crystals.
3. Crystal Formation: The solute molecules arrange themselves in an ordered, repeating pattern to form crystals. The size and shape of the crystals depend on various factors such as the rate of cooling, the concentration of the solute, and the presence of impurities.
4. Separation: Once the crystals have formed, they can be separated from the remaining liquid by filtration or centrifugation. The liquid portion, known as the mother liquor, contains the impurities and can be further processed or discarded.
5. Purification: The obtained crystals may still contain impurities. To obtain a pure substance, the crystals can be washed with a suitable solvent or undergo additional purification techniques such as recrystallization.
In summary, the process of crystallization involves cooling a hot saturated solution to induce the formation of crystals, which can then be separated and purified to obtain a pure substance.
Crystallization is a process widely used in various industries, including pharmaceuticals, chemicals, and food processing. Here is a detailed explanation of the process:
1. Hot Saturated The process starts with a hot saturated solution. A saturated solution is a solution that contains the maximum amount of solute that can be dissolved at a given temperature. The solution is heated to dissolve as much solute as possible.
2. Cooling: The hot saturated solution is then allowed to cool slowly. As the temperature decreases, the solubility of the solute decreases. At a certain temperature known as the saturation point, the solute starts to come out of the solution in the form of crystals.
3. Crystal Formation: The solute molecules arrange themselves in an ordered, repeating pattern to form crystals. The size and shape of the crystals depend on various factors such as the rate of cooling, the concentration of the solute, and the presence of impurities.
4. Separation: Once the crystals have formed, they can be separated from the remaining liquid by filtration or centrifugation. The liquid portion, known as the mother liquor, contains the impurities and can be further processed or discarded.
5. Purification: The obtained crystals may still contain impurities. To obtain a pure substance, the crystals can be washed with a suitable solvent or undergo additional purification techniques such as recrystallization.
In summary, the process of crystallization involves cooling a hot saturated solution to induce the formation of crystals, which can then be separated and purified to obtain a pure substance.
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The process of separating a pure substance in the form of crystals from the hot saturated solution by cooling is calleda)distillationb)crystallizationc)condensationd)evaporationCorrect answer is option 'B'. Can you explain this answer?
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