There are several different indicators that a chemical change has taken place. Which of the following examples would be considered an indicator that a chemical reaction has taken place?(1 point) Responses The shape of paper changes as it is cut The shape of paper changes as it is cut A Substance has dissolved A Substance has dissolved A liquid freezes A liquid freezes Heat is given off after mixing two substances Heat is given off after mixing two substances
1 answer
Heat is given off after mixing two substances