Ask Question
7 July, 10:18

Which of the following examples is a sign

that a chemical change is occurring?

A. the substance seems to have disappeared

B. the state of the matter has changed

C. the production of heat, light, and smoke

+4
Answers (2)
  1. 7 July, 10:35
    0
    Answer: C. The production of heat, light and smoke

    Explanation: In a chemical reaction taking place several evidence are the presence of light emission and heat is generated in the reaction. Smoke is also an indication when a chemical reaction is happening such as combustion reaction.
  2. 7 July, 10:46
    0
    The answer is C. Heat is an indicator that energy is being released, which occurs during a chemical change. Light and smoke can also be factors
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Which of the following examples is a sign that a chemical change is occurring? A. the substance seems to have disappeared B. the state of ...” in 📗 Chemistry if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers