Teaching AP TET Paper I & Paper II Mock Test Series 2025 General Science Chemistry Chemical Reaction

Select the correct balanced reaction for CuO + NH3 → Cu + N2 + H2O.

1
2CuO + 3NH₃ → 3Cu + N₂ + 3H₂O
2
3CuO + 2NH₃ → 3Cu + 2N₂ + 3H₂O
3
3CuO + 2NH₃ → 3Cu + N₂ + 3H₂O
4
3CuO + 2NH₃ → 3Cu + N₂ + 4H₂O
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