Question

2
Do all substances change their states ?
Give four examples of substances which do
not change their state on
heating.​

Answer 1

Answer:

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Answer 2

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• All the gases around us can not change its state on heating. Such as oxygen, nitrogen, hydrogen, fluorine, chlorine, helium, neon, argon, krypton, radon and all nuclear gases. The chemical substances which dont change their state of matter are diamond and graphite and few more carbon matter.