Question

Jack is performing an experiment using two compounds, Q and R. He puts compound Q and R in a test tube. The compounds then undergo a chemical reaction to form compounds S and T. Which of the following would be the strongest evidence to show that a chemical reaction has occurred?

Answer 1

Answer:

The strongest evidence to show that a chemical reaction has occurred is:-

Compounds S and T are formed.( When Q reacts with R.)

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Answer 2

Answer ; When compounds S and T form.