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Separation of Substances Video Lecture - Class 6
FAQs on Separation of Substances Video Lecture - Class 6
| 1. What is the process of separation of substances? |  |
Ans. The process of separation of substances involves removing or isolating one or more components from a mixture. This is done by using different physical or chemical methods such as filtration, evaporation, sedimentation, etc.
| 2. How does filtration help in the separation of substances? | |
Ans. Filtration is a method used to separate solid particles from a liquid or gas by passing it through a filter medium. The filter medium allows the liquid or gas to pass through while trapping the solid particles. This process helps in separating substances by removing unwanted solid impurities from a mixture.
| 3. What is sedimentation? | |
Ans. Sedimentation is the process of settling down of heavier solid particles in a liquid due to the force of gravity. When a mixture containing solid particles is left undisturbed, the heavier particles settle at the bottom, forming a sediment. This process is used for separating substances based on their densities.
| 4. How does evaporation help in the separation of substances? | |
Ans. Evaporation is a method used to separate a soluble solid from a liquid by heating the mixture. When the liquid is heated, it changes into vapor, leaving behind the solid particles. The vapor can be condensed and collected separately, resulting in the separation of substances.
| 5. What is the difference between physical and chemical methods of separation? | |
Ans. Physical methods of separation involve using physical properties such as size, shape, density, solubility, etc., to separate substances. Examples of physical methods include filtration, evaporation, sedimentation, etc. On the other hand, chemical methods of separation involve using chemical reactions to separate substances. These methods may involve the formation of new compounds or the conversion of substances into different forms.
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Nov 22, 2024 Last updated |
Separation of Substances for Class 62024 is part of Class 6 preparation. The notes and questions for Separation of Substances
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