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*Calcium carbonate decomposes when heated. Which of the following equation is accurate for this reaction?*

1️⃣ CaCO₃ → CaO + CO₂↑
2️⃣ CaCO₃ → CaO + CO₂
3️⃣ CaCO₃(s) → CaO(s) +CO₂↑
4️⃣ CaCO₃(s) + Heat→ CaO(s)+CO₂↑(g)

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Answer 1

Question:-

Calcium carbonate decomposes when heated. Which of the following equation is accurate for this reaction?

Answer:-

CaCO₃(s) → CaO(s) +CO₂↑

Reason:-

Writing physical states of elements is important in a chemical reaction

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Answer 2

Answer:

2️⃣ CaCO₃ → CaO + CO₂

Explanation:

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