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प्रश्न
What are the advantages of chromatography?
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उत्तर
- A very small quantity of the substance can be separated.
- Components with very similar physical and chemical properties can be separated.
- It identifies the different constitutes of a mixture.
- It also helps in quantitive estimation of components of a mixture.
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संबंधित प्रश्न
Is food that we eat a mixture ?
Give one example for the following types of mixtures :
misicible liquids
State four differences between compounds and mixtures.
Give two examples of the following.
Non-metals which are lustrous
Find the atomicity of the Following molecule:
Dinitrogen Oxide
Indicate whether the following statement is true or false:
A compound is made up of just one kind of atom
Indicate whether the following statement is true or false:
Ozone is a triatomic molecule
What are elements? What are they made of?
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal which is required for combustion.
Complete the table by writing the symbols of the following elements
| Element | Symbol |
| Aluminum | Al |
| Nickel | |
| Bromine | |
| Helium | |
| Magnesium |
