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Sieving Video Lecture | Science Class 6

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FAQs on Sieving Video Lecture - Science Class 6

1. What is sieving and how is it used in Class 6?
Ans. Sieving is a method of separating particles of different sizes. In Class 6, sieving is used in science experiments to separate mixtures and determine the size of particles.
2. What are the steps involved in sieving?
Ans. The steps involved in sieving are as follows: 1. Take a sieve with a mesh of appropriate size. 2. Place the mixture to be sieved on the sieve. 3. Gently shake the sieve horizontally and vertically. 4. The particles smaller than the mesh size will pass through the sieve, while the larger particles will remain on top.
3. What is the purpose of using sieves with different mesh sizes?
Ans. Sieves with different mesh sizes are used to separate particles of different sizes. Finer mesh sizes are used to separate smaller particles, while larger mesh sizes are used to separate larger particles.
4. Can sieving be used to separate liquids?
Ans. No, sieving is not suitable for separating liquids. Sieving is primarily used for separating solid particles of different sizes. For separating liquids, techniques like filtration or distillation are used.
5. How is sieving different from filtration?
Ans. Sieving and filtration are both methods of separating mixtures, but they differ in their mechanism. Sieving uses a mesh or sieve to separate particles based on size, while filtration uses a porous material (filter paper) to separate solids from liquids based on particle size or solubility.
100 videos|261 docs|49 tests
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