Question

Which of the following is a

chemical change?
A. Baking brownies
B. Creating a mixture of water, rocks, and dirt
C. Crumpling a piece of paper
D. Breaking a candle in two

Answer 1

The answer baking brownies/A because before, the brownies were just a mixture and when it bakes it actually make a new substance

Answer 2

Baking Brownies

Step-by-step explanation:

when the brownie is baked, the kind of matter changes and a new substance is formed. A chemical change is a change that cannot be reversed.