​Plaster of Paris should be stored in sealed containers. Which of the following is the correct explanation for the given assertion?

​

Correct option is A

The correct answer is (A) It turns into a hard solid after reacting with moisture present in air.

• The most common use for the substance "Plaster of Paris" is for creating sculpting materials and gauze bandages.
• Plaster of Paris is synonymous with gypsum plaster, another common name for the substance.
• This is the chemical formula for Plaster of Paris- CaSO₄. H₂O
• Plaster of Paris is calcium sulfate, and a hard substance called gypsum is produced when crystallization water is added.
• It may react with any moisture in the air if it were not stored in a moisture-proof container.
• Upon combined with water, it transforms into gypsum, a hard substance having quite different characteristics from the plaster of Paris.