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What type of reaction is represented by the equation: CaCO3 → CaO + CO2? (2020)

Practice Questions

Q1
What type of reaction is represented by the equation: CaCO3 → CaO + CO2? (2020)
  1. Synthesis
  2. Decomposition
  3. Single replacement
  4. Double replacement

Questions & Step-by-Step Solutions

What type of reaction is represented by the equation: CaCO3 → CaO + CO2? (2020)
  • Step 1: Look at the equation CaCO3 → CaO + CO2.
  • Step 2: Identify the reactant on the left side, which is CaCO3 (calcium carbonate).
  • Step 3: Notice that CaCO3 is breaking down into two products on the right side: CaO (calcium oxide) and CO2 (carbon dioxide).
  • Step 4: Understand that a decomposition reaction is when one compound breaks down into two or more simpler substances.
  • Step 5: Conclude that since CaCO3 is breaking down into CaO and CO2, this is a decomposition reaction.
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