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प्रश्न
Give four examples of non-metallic elements.
उत्तर
Examples : Hydrogen, oxygen, nitrogen, carbon, chlorine, sulphur, phosphorus, etc.
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संबंधित प्रश्न
Name the main metal present in the following:
Chlorophyll
State four difference between compounds and mixtures.
Define:- 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
Filtration
Fill in the blank:
________ and _______ are pure substances.
Fill in the blank
A pure substance has definite _______ and constant _________.
Fill in the blank
Use of a __________ to separate the components of a mixture of solids is based on the difference in the size of the components.
Loading is basically speeding up _____.
Name the techniques used to separate a solid from its solution.
Write the differences between elements and compounds and give an example for each.
