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Saturated and Unsaturated solutions - Science, Class 9 Video Lecture
FAQs on Saturated and Unsaturated solutions - Science, Class 9 Video Lecture
| 1. What is a saturated solution? |  |
Ans. A saturated solution is a solution that contains the maximum amount of solute that can dissolve in a given solvent at a specific temperature and pressure. It is unable to dissolve any additional solute, and any excess solute will settle at the bottom of the container.
| 2. What is an unsaturated solution? | |
Ans. An unsaturated solution is a solution that has the capacity to dissolve more solute at a given temperature and pressure. It contains less solute than the maximum amount that can be dissolved, so it is capable of dissolving additional solute.
| 3. How can you determine if a solution is saturated or unsaturated? | |
Ans. To determine if a solution is saturated or unsaturated, you can add a small amount of solute to the solution and observe if it dissolves. If the solute completely dissolves, the solution is unsaturated. If the solute does not dissolve and settles at the bottom, the solution is saturated.
| 4. What factors can affect the saturation level of a solution? | |
Ans. The saturation level of a solution can be affected by factors such as temperature and pressure. Increasing the temperature generally increases the solubility of a solute, allowing more of it to dissolve and potentially leading to an unsaturated solution. Pressure, on the other hand, has a significant effect on the solubility of gases in liquids but has less impact on the solubility of solids in liquids.
| 5. What happens when a saturated solution is heated? | |
Ans. When a saturated solution is heated, the solubility of the solute usually increases. This means that more solute can dissolve in the solution, leading to an unsaturated solution. If the solution is then cooled, the excess solute may precipitate out of the solution, causing it to become saturated again.
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