Bubbles are seen to rise to the surface when the temperature of water reaches it boiling point. (i) What is contained in the bubbles?

      

Bubbles are seen to rise to the surface when the temperature of water reaches it boiling point.
i. What is contained in the bubbles?
ii. Give a reason why the bubbles rise to the surface only at the boiling point

  

Answers


joseph
1. Water vapor or steam
2. Vapor pressure at the boiling point equals or exceed prevailing external pressure

joseph rimiru answered the question on November 2, 2017 at 19:10


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