Chemistry · Chemical Reactions
Which of the following is NOT a combination reaction?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1CuO + H2 → Cu + H2O✓
- 2CaO + H2O → Ca(OH)2
- 32Cu + O2 → 2CuO
- 4NH3 + HCl → NH4Cl
Correct answer
CuO + H2 → Cu + H2O
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