Advertisements
Advertisements
प्रश्न
Give four examples of non-metallic elements.
Advertisements
उत्तर
Examples : Hydrogen, oxygen, nitrogen, carbon, chlorine, sulphur, phosphorus, etc.
APPEARS IN
संबंधित प्रश्न
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
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
By using a separating funnel
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 _________.
Write true or false
All pure substances have characteristic melting and boiling points.
How can you separate iron metal from non-magnetic impurities ?
Loading is basically speeding up _____.
Differentiate between the terms elements, compounds, and mixtures with suitable examples.
