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3. A compound formed of CO2 and water is sour? Why?

1 Answer

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Step-by-step explanation:

it's because when CO₂ reacts with H₂O then it forms H₂CO₃ (carbonic acid), which is a acid that's why a compound formed by CO₂ and H₂O is sour.

Reaction:

CO₂ + H₂O → H₂CO₃

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