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Methods of Separation - Sedimentation and Decantation Video Lecture | Crash Course for Class 6

FAQs on Methods of Separation - Sedimentation and Decantation Video Lecture - Crash Course for Class 6

1. What is sedimentation and how does it work?

Ans. Sedimentation is a process that separates solid particles from a liquid. It works by allowing the heavier solid particles to settle at the bottom of a container due to gravity. Over time, the solid particles form a sediment layer, while the clearer liquid remains above.

2. What is decantation and when is it used?

Ans. Decantation is the method of carefully pouring off a liquid from a solid sediment or from another liquid that does not mix with it. It is often used after sedimentation to separate the clear liquid from the settled solid at the bottom of the container.

3. What are some everyday examples of sedimentation and decantation?

Ans. Everyday examples of sedimentation include muddy water settling where the dirt settles to the bottom, leaving clear water on top. An example of decantation is when you pour off the clear water from a pot that has rice or beans soaked in it, separating the water from the solid food.

4. What are the differences between sedimentation and decantation?

Ans. The main difference between sedimentation and decantation is that sedimentation is the process of particles settling down under the influence of gravity, while decantation is the method used to separate the liquid from the settled solids. Sedimentation happens first, and decantation follows to separate the two phases.

5. How can sedimentation and decantation be useful in everyday life?

Ans. Sedimentation and decantation are useful for purifying water, removing impurities from liquids, and in cooking processes. For instance, these methods can help clarify drinking water, separate oil from water in cooking, or clarify juices by removing pulp, ensuring a cleaner final product.

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Oct 02, 2025 Last updated

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