Chemistry, asked by yashasree, 1 year ago

write the experiment on materials expands on heating

Answers

Answered by prmkulk1978
11
The expansions of materials like solids expands on heating   and contracts on cooling an be shown by following experiment:

Apparatus required :
Iron wire, Curtain ring, two vertical stands , bunser burner

Procedure :
Take a piece of iron wire .

Slip a curtain ring through wire.

Stretch the wire between the two vertical stands .

Adjust the positions of stands in such a way that the wire is tight .


Now heat the wire using a burner.

Observations : 
We notice that wire no longer reaming same  . It becomes loose

This is indicated by dangling ring

Conclusion :
This experiment shows that wire [material] expands on heating.
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