Sieving Technique
Sieving Technique
The method of separating the components of a mixture that are of different sizes by using a sieve is called sieving. When the size of particle it too small to be picked by hand or when the quantity is too large, sieving is used for separating substances. A sieve which has holes of proper size should be used. The bigger particles are retained by the sieve whereas the smaller ones pass through it. In this Process the difference in size of particles in a mixture is used to separate them. For example; this method is used for separating bran from flour, sand from gravel, pearls of different sizes, etc.
Which of the following are correct : (a) The method of separating the components of a mixture that are of different sizes by using a sieve is called sieving. (b) When the size of particle it too small to be picked by hand or when the quantity is too large, sieving is used for separating substances. (c) The bigger particles are retained by the sieve whereas the smaller ones pass through it. | |||
| Right Option : D | |||
| View Explanation | |||
Which of the following are correct : (a) In the Process of sieving the difference in size of particles in a mixture is used to separate them. (b) The bigger particles are retained by the sieve whereas the smaller ones pass through it. (c) The smaller particles are retained by the sieve whereas the bigger ones pass through it. | |||
| Right Option : A | |||
| View Explanation | |||
By which method is wheat flour separated from wheat bran ? | |||
| Right Option : B | |||
| View Explanation | |||
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