Question

What temperature will be required for the preparation of Plaster of Paris from gypsum?

• A. 100°C
• B. 373°C
• C. 0°C
• D. 173°C

Answer 1

Answer:

A. 100°C

• The temperature required for the preparation of Plaster of Paris from gypsum is around 373 K (which is approximately 100°C).

• That statement is correct.

• This process involves heating gypsum to about 373 K to drive off part of the water of crystallization, resulting in the formation of Plaster of Paris.