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
monitor for the release of a gas
monitor for the release of a gas
conduct a test to determine the chemical makeup of the molecules
conduct a test to determine the chemical makeup of the molecules
test for the release of heat
test for the release of heat
observe a color change
1 answer
observe a color change