Question

Which of the following is not the property of
Plaster of pairs
A
On mixing with water it solidifies
rapidly
B
It is used for setting of fractured
bones
с
It easily lose its water when kept in
open air
D
On mixing with water it becomes
hard solid​

Answer 1

Answer:

option C -It easily lose it's water when kept in open air

Answer 2

Option(c) is the correct answer.

It easily loses its water when kept in the open air.

• The plaster of Paris is represented by calcium sulfate hemihydrate.
• It reacts with water to form a solidified matter called gypsum.
• Gypsum is a hard mass that is used for several tasks like plaster for the recovery of bones and the protection of walls.
• Gypsum can not be converted to plaster of Paris by any method.
• Plaster of Paris is a hydrated substance but it doesn't mean that it loses water when exposed to air.

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