Which of the following are chemical changes? Check all that apply.

A. sugar is dissolved in water

B. A warm coke bottle fizzes when opened

C. The Copper roof turns green over time

D. Baking soda is dissolved in vinegar and bubbles appear

E. A fog appears on your windshield in cold weather

The answer to your question is below

Explanation:

A. sugar is dissolved in water This process is a physical change because matter stays the same, so this option is incorrect.

B. A warm coke bottle fizzes when opened This process is a chemical change because carbon dioxide is being released to the environment.

C. The Copper roof turns green over time This is a chemical change because copper is reacting with oxygen.

D. Baking soda is dissolved in vinegar and bubbles appear This is also a chemical change because baking soda is reacting and the matter is changing.

E. A fog appears on your windshield in cold weather This is a physical change because here water is in gas state and it is not reacting with another substance it states the same.