Chemistry, asked by mishtimg, 1 year ago

why are pure substances needed

Answers

Answered by krazykupkakes

To get the accurate melting and boiling point

mishtimg: please elaborate i have a test tom

mishtimg: thanx in advance]

krazykupkakes: oh k wait

krazykupkakes: when there are some impurities in liquid it takes more time to change and vapour state or solid state where as if it is pure we get the exact boiling and melting point... hope so it helps u

krazykupkakes: eg : water if it is pure we get boiling point as 100 degree Celsius and melting point as 0 degree Celsius if the water is impure they may differ

Answered by nethranithu

when 3 or some impurities in liquid which takes more time to change and vapour state or solid state whereas it is pure we get the exact boiling and melting point!!!!!!!

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