Indicators of a Chemical Reaction

a chemical reaction occurs when two or more substances combin the atoms are rearranged and a new substance is created a couple [Music] examples there are at least five indicators that tell you a chemical reaction most likely occurred first a gas is released this may result in fizzing or bubbl or a change in odor like when you bake a cake or a very foul smell two a change in temperature this can be both getting much hotter or colder three energy in the form of light is produced this can be as simple as striking a match or a very atic explosion four a permanent change in color for example when you burn wood it changes from light brown to Black and five a precipitate is formed which just means a solid is formed or as sometimes they say a solid falls out of the solution so there you go five indicators that a chemical reaction most like likely occurred thanks for watching and remember kindness multiplies kindness be kind to someone today