Answer: signs of a chemical change are a change in color and the formation of bubbles. The five conditions of chemical change: color change, formation of a precipitate, formation of a gas, odor change, temperature change.
Explanation:
¯\_(ツ)_/¯(⌐■_■)(☞゚ヮ゚)☞☜(゚ヮ゚☜)