Question

Vinegar and baking soda are put in a beaker together, and they undergo a chemical reaction. Look at the picture. How do you know a chemical reaction is occurring?



(1 point)
Responses

Changes shape
Changes shape

Bubbles are produced
Bubbles are produced

Changes size
Changes size

There is no chemical reaction. This is a physical change.

Answer 1

The best response to indicate that a chemical reaction is occurring when vinegar and baking soda are mixed together is:

**Bubbles are produced.**

The production of bubbles is a sign of gas being released, which indicates a chemical reaction is taking place.