Which separation method can be used to recover salt from its solution in water? What is solubility and how can you increase the solubility of solids and gases in water?
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Answer:
Evaporation
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The method used to recover salt from its solution in water is evaporation. Solubility is the maximum amount of a substance that can be dissolved in a solvent at a particular temperature.
To increase the solubility of:
Solids - Increase temperature
Gases - Increase pressure
Explanation:
- If the solution of salt in water is heated, all the water gets evaporated and only salt is left behind.
- This process is known as evaporation.
- It can be used to recover salt from its solution in water.
- Solubility is the maximum amount of a substance that can be dissolved in a solvent at a particular temperature.
- The solubility of a solid increases with an increase in temperature.
- Therefore, it can be increased by increasing temperature.
- The solubility of a gas in water depends upon pressure.
- Therefore, it can be increased by increasing pressure.
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