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)
Changes shape
Bubbles are produced.
Changes size
There is no chemical reaction. This is a physical change

Answer 1

In the scenario described, the presence of bubbles indicates that a chemical reaction is occurring. When vinegar (an acid) reacts with baking soda (a base), they produce carbon dioxide gas, which manifests as bubbles. Therefore, the correct answer is:

**Bubbles are produced.**