Ask Question
1 September, 02:57

What is an indication a chemical reaction has occurred?

A.) Formation of gas

B.) Boiling of a substance

C.) Melting of a substance

D.) Freezing of a substance

+3
Answers (1)
  1. 1 September, 03:06
    0
    I believe the answer is A. Formation of gas. I found this answer by eliminating the rest because they only clearly show physical changes in the substance. So, I assumed the substance forming a gas would be due to a chemical change.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “What is an indication a chemical reaction has occurred? A.) Formation of gas B.) Boiling of a substance C.) Melting of a substance D.) ...” in 📘 Chemistry if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers