Question

On shaking any of the carbonated cold drink (Limca or Coke) some bubbles appears and later it disappears also Give reason of appearance and disappearance of bubbles?

Answer 1

The bubbles appear due to a gas called carbon dioxide dissolved in them. The gas and the liquid ( and everything else) are made up of tiny bit of stuff called molecules.

The science says that there is only a certain amount of carbon dioxide and once it is gone , the bubbles will stop.

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Answer 2

Answer:

CO2 is dissolved in carbonated drinks , under pressure. CO2 reacts with water to form carbonic acid . When cola bottle is shaken , due to pressure CO2 is set free as it breaks the bond present in carbonated water , however when pressure becomes normal it ( CO2) dissolves with water to form carbonic acid again .