Advertisements
Advertisements
Question
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 |
Solution
| 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 |
APPEARS IN
RELATED QUESTIONS
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
Fill in the blank:
________ and _______ are pure substances.
Fill in the blank:
_________ is a process to obtain a very pure form of a solid dissolved in a liquid.
Fill in the blank
A pure substance has definite _______ and constant _________.
Fill in the blank.
_________ is used when the constituents of a mixture of solids have a difference in their weights.
Write true or false
All pure substances have characteristic melting and boiling points.
How can you separate iron metal from non-magnetic impurities ?
Water is a ______.
When two or more elements combine together they form ______.
