Question

Why soda water bottle kept at room temperature fizzes on opening?

Answer 1

Answer:

Soda water bottle kept at room temperature fizzes on opening due to different pressure inside and outside the bottle. When the bottle is opened to air, the partial pressure of CO2 above the solution decreases. As a result, solubility decreases and hence CO2 bubbles out.

Answer 2

Answer:

Because gases are more soluble at lower temperatures.

Explanation:

When soda bottle is kept at low temperatures, more Carbon dioxide is dissolved in soda. When we open it attains normal temperature suddenly and Carbon Dioxide gas evolves very fast so it comes like a fizz.

But...

When soda bottle is kept at room temperature, Carbon dioxide is little/not dissolved so when we open the bottle it comes with less fizz.

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