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प्रश्न
Why is it necessary to separate the constituents of a mixture.
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उत्तर
Because: The mixtures contain unwanted substances which may be harmful and may degrade the properties of mixtures. So we, need to separated them and extract useful substances.
This is necessary because
(i) It removes unwanted and harmful substances
(ii) to obtain pure and useful substances them.
Example: Sea water is rich in common salt which is an important ingredient of our food to add taste and nutrients. But sea water, cannot be directly used to get the salt.
Hence, it is necessary to separate both.
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संबंधित प्रश्न
Define: Elements
Define mixture.
Tick the most appropriate answer
Solutions are
- heterogeneous mixtures.
- compounds
- homogeneous mixtures.
- elements
Name the technique that you use if only the solid component of a solution is required.
What are the advantages of chromatography?
Fill in the blank
A liquid non-metal is _______.
Indicate whether the following statement is true or false:
Molecules can exist independently.
Who are my companions?
| Group 'A' | Group 'B' |
| 1. Stainless steel | (a) Non-metal |
| 2. Silver | (b) compound |
| 3. Bhajani mixture for milling | (c) Mixture |
| 4. Salt | (d) Element |
| 5. Coal | (e) Alloy |
| 6. Hydrogen | (f) Metal |
Select the correct answer to the statement given below:
A metalloid
Select the correct answer from A, B, C, D & E for the statement given below :
A metalloid.
