Which of the Following Balanced Chemical Equations Represents the Decomposition

question 76

Multiple Choice

Which of the following balanced chemical equations represents the decomposition of limestone at high temperature?

• A) Ca(OH)₂(s)→ CaO(s)+ H₂O(g)
• B) 2 CaO(s)→ 2 Ca(s)+ O₂(g)
• C) CaCO₃(s)→ CaO(s)+ CO₂(g)
• D) Ca(OH)₂(s)→ CaH₂(s)+ O₂(g)
• E) 2 CaCO₃(s)→ 2 Ca(s)+ O₂(g)+ CO₂(g)

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