Question

Why is the digestion of food a chemical change?

Answer 1

Chemical change:

1. At the end of a reaction, the reactants are chemically altered to form new substances, which is referred to as a chemical change.
2. The molecular composition of the reactant changes.
3. It forms new substances that are completely different from the parent compounds.
4. A chemical change is irreversible.

Digestion:

1. Digestion is the breaking down of complex food materials into simpler forms.
2. Food is broken down into smaller molecules during the process.
3. The salivary glands in our mouth aid in the digestion of food.
4. A new substance is formed during this process.
5. Food digestion is a chemical change.
6. In this process, large macromolecules are broken down into smaller molecules.
7. It is done by the enzymes found in the stomach and intestines.