Answer:
color change
formation of a precipitate
formation of a gas
odor change
temperature change
Explanation:
the five conditions of chemical change ,color change, formation of a precipitate, formation of a gas,odor change, temperature change.
Chemical reactions can be identified via. a wide range of different observable factors including in color energy change (temperature cahnged or light produced) gas production, formation of precipitateand and change in properties.
