Essential Chemistry for IGCSE - Making And Identifying Salts (Section 3 - No. 48)
Which of the following represents a correctly balanced chemical equation?
Zn + H2SO4 → ZnSO4 + H2
Zn + 2H2SO4 → ZnSO4 + 2H2
Zn + H2SO4 → Zn2SO4 + H2
2Zn + H2SO4 → ZnSO4 + H2
Explanation
The balanced equation correctly shows the reactants and products, with the number of atoms for each element being equal on both sides.
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