Which of the following reactions is a decomposition reaction-a CaCO 3- CaO - CO 2b AgNO 3- NaCl - AgCl - NaNO 3c CuO -2 HCl - CuCl 2- H 2 Od C - O 2- CO 2

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Decomposition Reaction

Which of the ...

Question

Which of the following reactions is a decomposition reaction?
(a) CaCO₃ ⟶CaO + CO₂
(b) AgNO₃ + NaCl ⟶ AgCl + NaNO₃
(c) CuO + 2HCl ⟶ CuCl₂ + H₂O
(d) C + O₂ ⟶ CO₂

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