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

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

Options:

Correct Answer: Decomposition

Exam Year: 2020

Solution:

The reaction CaCO3 → CaO + CO2 is a decomposition reaction, where one compound breaks down into two products.

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

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.

No concepts available.