Question

Take a soft drink bottle and open its lid. What do you observe?
Which gas is dissolved in it?

Answer 1

Hi,

Carbon dioxide gas dissolves in a liquid solution only under high pressure. When a cola bottle is popped open, pressure is released and the carbon dioxide gas rises up. It forms countless tiny bubbles that pop and create a fizzing sound.

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~Lia

Answer 2

Explanation:

Switch on the television and you are bound to see some cola advertisements. Aamir Khan, a Bollywood hero, pops open a cola and the bubbly drink fizzes to the top. Have you ever wondered what causes the countless teeny bubbles in all these soft drinks?

Soft drinks are carbonated, i.e. carbon dioxide gas is dissolved in the liquid. This gas gives the drink its sparkle and tangy taste, and prevents it from spoiling (the gas reduces bacterial growth).

Carbon dioxide gas dissolves in a liquid solution only under high pressure. When a cola bottle is popped open, pressure is released and the carbon dioxide gas rises up. It forms countless tiny bubbles that pop and create a fizzing sound.