Selasa, 11 Desember 2012

physical and chemical change experiment

PHYSICAL AND CHEMICAL CHANGE EXPERIMENT
 I learnt that physical change are a reversible change while chemical is a non reversible change.


This is a picture when my group and I were burning candle wax to see if it is a reversible or non -
reversible change.



This is also a picture when we were burning candle wax.



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