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The chemical reaction between copper and oxygen can be categorized as: A. Displacement reaction B. Decomposition reaction C. Combination reaction D. Double displacement reaction

Answer»

Correct answer is C. Combination reaction

When copper combines with oxygen, the process is known as corrosion or oxidation. When copper reacts with oxygen, then it produces copper oxide, a black color compound.

4Cu + O2 \(\longrightarrow\) 2Cu2 O (Combination reaction)

Correct option is C. Combination reaction



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