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प्रश्न
On what principle are the following methods of separation based? Give one example of a mixture for each of the methods mentioned in which they are used
By using a separating funnel
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उत्तर
By using a separating funnel : It is a simple device used to separate the components of a liquid-liquid heterogeneous mixture.
Example : Kerosene oil and water. The mixture is placed in a separating funnel and allowed to stand for sometime. The components form two clear layers. Water being heavier forms the lower layer and oil being lighter forms the upper layer. When the stopper of the funnel is opened, the heavier liquid trickles out slowly and is collected in a vessel. The stopper is closed when the bottom layer is entirely removed the funnel. In this way, the two liquids are separated
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संबंधित प्रश्न
Give four examples of non-metallic elements.
Why is it named so?
On what principle are the following methods of separation based? Give one example of a mixture for each of the methods mentioned in which they are used
Sedimentation and decantation
Fill in the blank:
_________ is a process to obtain a very pure form of a solid dissolved in a liquid.
Fill in the blank.
_________ is used when the constituents of a mixture of solids have a difference in their weights.
Match the columns.
| Column A | Column B |
| 1. To separate grain from chaff | a. filtration |
| 2. To seperat sawdust from water | b. sedimentation and decantation |
| 3. To separate iodine from sodium chloried | c. winnowing |
| 4. To separate iron fillings from sand | d. sublimation |
| 5.It is used to separate sand and water | e.magnetic separation |
| f. handpiicking |
Differentiate between the following.
solution and suspension
What is centrifugation ? Also write the principle on which it works.
Loading is basically speeding up _____.
Differentiate between the terms elements, compounds, and mixtures with suitable examples.
