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| Question: | Write its reaction with acid rain Calcium carbonate (CaCO3) + Combustion of carbon Carbon (C) |
| Solution: | The reactions are distinct and should be considered separately. Acid rain reacts with calcium carbonate, while combustion of carbon is a separate process. |
| Chemical Equation: | CaCO₃(s) + 2H⁺(aq) → Ca²⁺(aq) + H₂O(l) + CO₂(g) C(s) + O₂(g) → CO₂(g) |
| Explanation: | Acid rain (containing H⁺ ions from dissolved sulfuric and nitric acids) reacts with calcium carbonate (limestone, marble etc. 🪨) in a neutralization reaction, producing calcium ions, water, and carbon dioxide gas 💨. This is observed as fizzing/effervescence if you add acid to a carbonate. Separately, carbon combusts (burns 🔥) in oxygen to form carbon dioxide. The reactions are quite different experimentally. You would observe a visible reaction with the calcium carbonate and acid, but with combustion you would observe heat and a flame. 🌡️🔥 |
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