Question

What is the chemical reaction involved in the setting of Plaster of Paris?

• A. Hydration
• B. Oxidation
• C. Combustion
• D. Polymerization

Hint:

Hydration is key for Plaster of Paris. It’s water-driven hardening, forming a solid material.

Answer 1

The Correct Option is A

The setting of Plaster of Paris involves hydration. When mixed with water, it forms calcium sulfate dihydrate, resulting in its hardening. Oxidation and combustion are incorrect reactions.