Question

HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Joshua observed the changes in a cake when it was baked in an oven. What best explains that he observed a chemical change?

He saw the rising batter form the cake in the oven.
He saw the cake expand outside the rim of the baking dish.
He noticed the flour and other ingredients lose their unique properties.
He noticed the steam from the moisture rise in the oven.

Answer 1

A

Step-by-step explanation:

Chemistry. a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance.

Answer 2

Joshua saw the rising batter form the cake in the oven.

He saw that because of the reaction of baking soda/powder with the liquid in the batter.