How can you boil water at room temperature without heating it?

CBSE Class 9 CBSE Class 9 Science
1
  1. How can you boil water at room temperature without heating it?
  2. How can you increase or decrease boiling point of water without mixing any substance?
  3. Give a daily life example when water boils below 100°C.
2
  1. When the exerted pressure on water surface is decreased by any physical means, it is possible to boil water at room temperature without heating.
  2. By increasing the pressure on the water surface, boiling point of water can be increased and vice-versa.
  3. In pressure cooker, due to large pressure, water boils below 100°C.