sweetpea11 sweetpea11

03-10-2014
Biology

contestada

what evidence is there to show that changing sand to glass is a chemical change

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icedraptor88 icedraptor88

03-10-2014

Sand and glass have different chemical formulas, so that means that the atoms are rearranged and this is a chemical reaction.

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RandyButternubs RandyButternubs

03-10-2014

there is evidence that sand to glass is chemical change but it is also a physical change .

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