cguerrero cguerrero

28-03-2018
Chemistry

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What methods do scientists use to determine if a change was physical or chemical?

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trishagrannen trishagrannen

28-03-2018

a physical change will not change the chemical make-up of the material. the change will not produce a new substance.

a chemical change will have a reaction that produces heat, light, a change in color, releases a gas, or rust

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