Punjab PSEB Matric Science Practice Questions - Punjab School Education Board (PSEB) Matric (Class 10) Science - Physics, Chemistry & Biology Exam

Which of the following is an example of a combination reaction?

CaCO₃ → CaO + CO₂ 2H₂ + O₂ → 2H₂O Zn + CuSO₄ → ZnSO₄ + Cu 2AgCl → 2Ag + Cl₂

Correct Answer:

2H₂ + O₂ → 2H₂O

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