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Separation of Substances Class 6 PPT

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FAQs on Separation of Substances Class 6 PPT

1. What is the process of separation of substances?
Ans. The process of separation of substances refers to the methods or techniques used to separate different components or substances from a mixture. It involves using physical or chemical properties of the substances to separate them.
2. What are some common methods of separation of substances?
Ans. Some common methods of separation of substances include filtration, evaporation, distillation, sieving, magnetic separation, and chromatography. These methods are used based on the properties of the substances being separated.
3. How does filtration work in the separation of substances?
Ans. Filtration is a method used to separate solid particles from a liquid or gas by passing the mixture through a filter. The filter allows the liquid or gas to pass through while retaining the solid particles. This is useful when separating substances with different particle sizes.
4. What is distillation and how is it used for separation of substances?
Ans. Distillation is a method of separating substances based on differences in their boiling points. It involves heating a mixture to vaporize the components with lower boiling points and then condensing the vapors to obtain pure substances. Distillation is commonly used to separate a liquid from a mixture.
5. How does chromatography work in the separation of substances?
Ans. Chromatography is a method used to separate different components of a mixture based on their ability to move through a stationary phase. It involves the mobile phase (mixture) moving over the stationary phase (solid or liquid) where different components move at different rates. This separation is based on the components' affinity to the stationary phase and is commonly used in scientific laboratories.
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