askgeorge askgeorge

02-03-2017
Chemistry

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what are four indications that a chemical reaction bay be taking place

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MartynBH MartynBH

02-03-2017

When a chemical reaction takes place it changes the composition of the reactants. The ways to tell if a reaction is occurring are,
1-Release of heat
2-Production of a gas
3-Formation of a precipitate
4-Change in color

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