Question

Give reasons-

Surgical instruments are sterilized before use.

Answer 1

1. Instruments are placed in a surgical pack and exposed to steam under pressure.
2. Steam is having very high Energy so it can kill bacteria.
3. Steam is having high latent heat of energy i.e. 540 calories per gram.
   
4. That's why Surgical instruments are sterilized by placing them in boiling water.