Which of the following is a reliable way to observe that a chemical change has occurred when two substances come in contact with one another?(1 point) Responses conduct a test to determine the chemical makeup of the molecules conduct a test to determine the chemical makeup of the molecules observe a color change observe a color change monitor for the release of a gas monitor for the release of a gas test for the release of heat

Answer 1

All the options listed are reliable ways to observe a chemical change.