Can Matter change its State?
We know, water exists in all three states –
• Solid as ice
• Liquid as water
• Gas as water vapour.
Now questions arise –
(1) How do changes from one state to other state take place?
(2) What happens to the particles of matter during the change of states?
(3) What happens inside the matter during the change of states?
Matter does not always remain in the same state. It can be made to change its state either by changing in temperature or pressure. Pressure and temperature determine the state of a substance i.e. solid, liquid or gas.
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