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Question

Which of the following substances is used for supporting fractured bones?


A

Plaster of Paris

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B

Iron

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C

Copper

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D

Titanium

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Solution

The correct option is A

Plaster of Paris


Explanation for correct option:

A. Plaster of Paris

  • Plaster of Paris is also known as Gypsum.
  • The chemical formula of Plaster of Paris is CaSO4·1/2H2O.
  • It is a white fine powder, which gets hardened on applying water.

Uses of Plaster of Paris:

  • It is used for supporting fractured bones, Plaster of Paris when mixed with water applied around the fractured bones, sets into a hard mass and keeps the bone joints in a fixed position.
  • It is also used to precast ornaments or ceilings.

Explanation for incorrect options:

For supporting fractured bones, Plaster of Paris is used. Thus options, B, C, and D are incorrect.

Hence, the correct option is A i.e. Plaster of Paris


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