Chemistry, 06.11.2019 09:31, sdavis1471

Sugar is used for energy by almost all organisms on earth. in cells, sugar combines with oxygen and forms carbon dioxide and water.

when sugar combines with oxygen to form these products, is it a physical or a chemical change, and why?

1.)a physical change, because oxygen is involved in the change
.)a physical change, because the atoms that make up sugar rearrange to form the products
3.)a chemical change, because oxygen is involved in the change
4.)a chemical change, because the atoms that make up sugar rearrange to form the products

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Sugar is used for energy by almost all organisms on earth. in cells, sugar combines with oxygen and...