Which of the following does not tell us that a reaction has taken place? Select one: a. Evolution of gas b. Change in state c. Change in colourd. Change in odour

Which of the following does not tell us that a reaction has taken plac

1.	Which of the following does not tell us that a reaction has taken place? Select one: a. Evolution of gas b. Change in state c. Change in colourd. Change in odour
Answer» CHANGE in COLOUR EXPLANATION:HOPE this is HELPFUL to you