Question

Pressure and Temperature determine the state of substance. Give Reason​

Answer 1

Answer:

Pressure and temperature determine the state of substance..

Reason:-

As we increase the temperature ... State varies.. E.g. Solid < liquid < vapours

As we decrease the temperature...

State varies...

E.g. Vapours < liquid < solid

As we increase pressure.. State varies...

E. g. Vapours < liquid < solid

As we decrease pressure.. State varies..

E. g. Solid < liquid < vapours...

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Answer 2

Pressure and Temperature determines the state of substance as higher the pressure lower will be the intermolecular space and lower the pressure more will be the intermolecular space .

Similarly , higher the temp° more will be the intermolecular space and lower the temp° less will be the intermolecular space