Question

What is the most important precaution that has to be taken in the preparation of POP from gypsum, and why is it important?

Answer 1

Answer:

Explanation:● Preparation of Plaster of Paris -

POP is prepared by heating gypsum at 373 K.

2 CaSO4.2H2O + ∆ --> 2 CaSO4.1/2H2O + 3 H2O

● Precautions taken while preparing POP -

1) Use personal protective gear (gloves, dust mask, goggles, shoes) while preparing POP.

2) Don't use hot water for mixing POP as it may explode.

3) Body parts shouldn't be casted with POP.

4) Use POP as soon as it's made, otherwise it turns into solid rapidly.

Answer 2

Answer:

POP is prepared by heating gypsum at 373 K. 1) Use personal protective gear (gloves, dust mask, goggles, shoes) while preparing POP. 2) Don't use hot water for mixing POP as it may explode. 3) Body parts shouldn't be casted with POP.