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Equilibrium — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryEquilibrium1 Mark
Question
Fizz is observed when soda water bottle is opened. Why?
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Answer

Pressure is decreased, solubility of $\text{CO}_2$ in water decreases, $\text{CO}_2$ escapes from cold drink bottle.

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