What is the chemical name of the substance that forms the tooth enamel in the human body?

Correct option is C

The Correct Answer is C: Calcium hydroxyapatite.

Explanation:
The main component of tooth enamel is Calcium hydroxyapatite, a mineral form of calcium phosphate. It provides the hardness and strength needed to protect teeth from decay.

Key Points:

• Tooth enamel is primarily composed of Calcium hydroxyapatite.
• It is the hardest substance in the human body.
• Calcium hydroxyapatite forms the outer layer of the teeth and helps protect them from wear and cavities.

Additional Information:

• Calcium is an essential mineral but is not the correct term for tooth enamel.
• Sodium is not involved in the formation of tooth enamel.
• Hydrochloric acid is a strong acid, but it doesn't contribute to tooth enamel.