Question

Why copper carbonate on heating gives copper oxide and carbon dioxide is considered a chemical change?

Answer 1

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Some carbonates change colour during thermal decomposition, which means the compound breaks down into other substances when heated. Copper carbonate is green and becomes copper oxide which is black. Here's your answer !! Copper carbonate on heating dissociates to form two compounds , copper oxide and carbon dioxide .

Explanation:

Answer 2

Answer:

Heya user

Here's your answer !!

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Copper carbonate on heating dissociates to form two compounds , copper oxide and carbon dioxide .

CuCO3 -----> CuO ( black )+ CO2 .

Observation ----->

On heating Copper carbonate , a black residue is formed and a gas is released which turns lime water milky .

Thus , we can conclude that the gas evolved is carbon dioxide .

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Hope it helps !!