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CBSE - IX - Chemistry - Is Matter Around Us Pure?


Asked by fathima12 30th September 2009, 8:01 PM
Answered by Expert


yes it is reversible.

Take for example sublimation of naphtalene. Heat it the solid will sublime to gaseous state.

Cool the vapours they will again get converted to solid naphthalene.

The reversible change has to take place in a closed container.


Answered by Expert 1st October 2009, 9:39 AM

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