Which of the following observations is evidence used to imply that a chemical reaction has occurred? a. gas evolution b. a precipitate forms c. the color changes d. the temperature changes e. the odor changes f. a sound is produced g. change in taste ​

Respuesta :

Answer:

A

Explanation:

Im not 100% sure, but I think the others are not chemical changes, please don't only take my advice, ask others too

Answer:

burgers

Explanation: