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प्रश्न
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 |
उत्तर
| Column A | Column B |
| 1. To separate grain from chaff | c. winnowing |
| 2. To seperat sawdust from water | a. filtration |
| 3. To separate iodine from sodium chloried | d. sublimation |
| 4. To separate iron fillings from sand | e.magnetic separation |
| 5.It is used to separate sand and water | e.magnetic separation |
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संबंधित प्रश्न
Name the main metal present in the following :
Haemoglobin
Give four examples of non-metallic elements.
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
Filtration
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:
________ and _______ are pure substances.
Write true or false
All pure substances have characteristic melting and boiling points.
Differentiate between the following.
solution and suspension
Name the substance you will add to speed up sedimentation.
Name the techniques used to separate a solid from its solution.
Write the differences between elements and compounds and give an example for each.
