Correct option is C
The correct answer (c) Both the statements are true.
Information Booster:
- Paris plaster's characteristics:
- When wetted with water or exposed to a mixture and left to dry, it solidifies into a hard mass.
- The substance is a fine white powder.
- Applications:
- In order to assure proper healing, it is used in hospitals to fix broken bones.
- Due to its setting property, it is used to make toys, decorative items, inexpensive ornaments, cosmetics, blackboard chalk, and statue casts.
- It serves as a fire-retardant substance.
- It is used in chemistry labs to close air gaps in equipment when an airtight arrangement is necessary.