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GR 11 CHEM M3 ASSESSMENT 3 QUESTION 12 Different types of chemical changes or reactions can be represented by chemical equations. Which of the following chemical equations represents a displacement reaction? A. 2Al(s) 312(s) -> 2All3(s) B. CuCO3(s) -> CuO (s) CO2(g) C. 2NaCl) -> 2Na() Cl2(g) D. Fe(s) + CuSO4 (aq) -> FeSO4(aq) Cu(s) ​

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Answer: The chemical equation that represents a displacement reaction is:

D. Fe(s) + CuSO4(aq) -> FeSO4(aq) + Cu(s)

Explanation:

In this reaction, iron (Fe) displaces copper (Cu) from copper sulfate (CuSO4) solution, resulting in the formation of iron sulfate (FeSO4) and solid copper (Cu).

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