Plaster of Paris is a product of

Correct option is C

The correct answer is (c) Calcium.

Plaster of Paris:
Chemical Composition: Calcium sulfate hemihydrate (CaSO₄ ⋅ ¹/₂H₂O)
Formation:

• Produced by heating gypsum (CaSO₄⋅2H₂O) at around 150°C.
• Gypsum loses water to form Plaster of Paris.
  CaSO₄ ⋅ 2H₂O → CaSO₄ ⋅ ¹/₂H₂O + 1¹/₂H₂O

Properties:

• Quick Setting: Sets within minutes when mixed with water, forming a hard material.
• Lightweight: Used for decorative purposes.
• Non-Shrinkage: Maintains volume upon setting.

Uses:

• Construction: For coating walls and ceilings.
• Sculpting and Molding: Used to make statues, molds, and casts.
• Medical Applications: For orthopedic casts to immobilize broken bones.

Additional Information:

• Magnesium: A lightweight metal used in alloys, fireworks, and medicines like antacids (e.g., magnesium hydroxide).
• Aluminum: A durable, lightweight metal widely used in construction, packaging, and transportation.
• Sodium: A reactive alkali metal found in compounds like table salt (sodium chloride) and baking soda (sodium bicarbonate).