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NCERT Class 6 Science Chapter 5: Separation of Substances (NSO/NSTSE/Olympiad) - Examrace | English Video Lecture

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Video Timeline
Video Timeline
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00:19 Methods of Separation
00:22 Hand Picking
00:42 Threshing
01:10 Winnowing
02:11 Sieving
03:00 Sedimentation, Decantation & Filtration
07:38 Evaporation
07:46 Solutions
09:15 Saturated Solution
09:57 Increase Saturation Limit by Heating
More

FAQs on NCERT Class 6 Science Chapter 5: Separation of Substances (NSO/NSTSE/Olympiad) - Examrace - English Video Lecture

1. What is the importance of separating substances?
Ans. Separating substances is important because it allows us to obtain pure substances, remove impurities, and extract useful components. This process is crucial in various industries, laboratories, and daily life activities.
2. What are the different methods of separating substances?
Ans. There are several methods of separating substances, including filtration, evaporation, distillation, magnetic separation, and chromatography. Each method is 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. It involves passing the mixture through a porous material, such as filter paper or a sieve, which allows the liquid or gas to pass through while retaining the solid particles.
4. What is the process of distillation in the separation of substances?
Ans. Distillation is a method used to separate a mixture of liquids by exploiting their different boiling points. The mixture is heated, and the component with the lower boiling point vaporizes first. The vapor is then condensed and collected, resulting in the separation of the substances.
5. How does magnetic separation work in the separation of substances?
Ans. Magnetic separation is a method used to separate magnetic substances from non-magnetic ones. It relies on the attraction of magnetic materials by a magnet. By passing a mixture through a magnetic field, the magnetic substances are attracted to the magnet, allowing their separation from the non-magnetic substances.
Video Timeline
Video Timeline
arrow
00:19 Methods of Separation
00:22 Hand Picking
00:42 Threshing
01:10 Winnowing
02:11 Sieving
03:00 Sedimentation, Decantation & Filtration
07:38 Evaporation
07:46 Solutions
09:15 Saturated Solution
09:57 Increase Saturation Limit by Heating
More
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