Jill is doing a science experiment. After she mixes some baking soda into some
vinegar she notices a lot of bubbles and the volume in the beaker is now higher.
Which of the following indicates a chemical reaction has occurred ?
A. There was an increase in volume in the beaker
B. Science experiments always cause chemical reactions
C. The bubbles indicate a new gas was produced.
D. Only explosions are considered chemical reactions.
Help hurry!!!!!!!!!!!!!!!!!!!please!!!!!!!!!!!!!!!!!!!