Question

when water is heated we see bubbles rising up why?

Answer 1

Bubbles rising up Because temperature o f water rises,it's solubility decrease.water has air molecules dissolved in it. decrease in solubility cause s the dissolved air molecules to form gas again...those are bubbles


above boiling point the water molecules inside the liquid undergoes phase change. They turn into water vapours that nuclease and rise up to water surface...those are bubbles

Answer 2

BECAUSE THE AIR PRESENT INSIDE IT GOES INTO THE ENVIRONMENT AND EVAPORATE