ICSE Class 6 Answered
note on state on matter with examples
Asked by sujit_ku_07 | 14 Apr, 2020, 04:27: PM
Expert Answer
There are three states of matter - Solid, liquid, gases.
- Solids have definite size, shape, hardness, texture and color. Solids have a higher density i.e the ratio of their masses to their volumes is greater when compared with the other states of matterThe number of molecules in a liquid is comparatively less than solids.
- In liquids, the distance between any two molecules is more than that of solids. But the force between liquid particles is good enough to hold them together.
- Gases do not have a fixed shape. The force of attraction between molecules of gases is very negligible as compared to solids and liquids.
- Unlike solids and liquids, gases while moving exert pressure in all directions.
- For eg: - When the solid ice cube gets treated with the heat, it gets converted into liquid this process is called melting . On further heating, the liquid gets converted into a gas and this process is called vaporisation. Now this gas on cooling converts into liquid form which on further cooling gets converted into a solid. These processes are called as liquefaction and solidification respectively.
Answered by Shiwani Sawant | 14 Apr, 2020, 06:43: PM
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