Which of the following is an example of a chemical change? A. Cutting A Log
B. Dissolving Sugar
C. Boiling Water
D. Baking A Cake

Explanation:

Cutting a log is a physical change. Cutting would give rise to a new wood piece .

So..   no new substance is formed so its a physical change.

Dissolving Sugar

A mixture of sugar and water can be separated by using heat.

Heat will separate the water and sugar using a process called Evaporation.

Baking A Cake

When baking your cake it is a chemical change because you can't get your ingredients back. We know that it is a chemical change because heat energy is involved.

. Boiling Water

Boiling water is a physical change.

it can be changed back to its original form by freezing.

answer denitrification;