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Question
The unbalanced equation from the following:
Options
\[\ce{Na2SO3 + 2HCl -> 2NaCl + H2O + SO2}\]
\[\ce{C + 4HNO3 -> CO2 + 2H2O + 4NO2}\]
\[\ce{Fe2O3 + 3CO -> 2Fe + 3CO2}\]
\[\ce{2NH3 + 3CuO -> 3Cu + 2H2O + N2}\]
MCQ
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Solution
\[\ce{2NH3 + 3CuO -> 3Cu + 2H2O + N2}\]
Explanation:
This equation is unbalanced because the left side has 6 Hydrogen atoms (2 × 3), while the right side only has 4 Hydrogen atoms (2 × 2). Oxygen is also unbalanced.
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