14. Exercises VII

2 m.

1. Balance the following chemical equation.

\(NaOH\) + \(H_2SO_4\) → \(Na_2SO_4\) + \(H_2O\)

\(NaOH\) + \(H_2SO_4\) → \(Na_2SO_4\) + \(2H_2O\)
\(2NaOH\) + \(H_2SO_4\) → \(Na_2SO_4\) + \(H_2O\)
\(2NaOH\) + \(H_2SO_4\) → \(Na_2SO_4\) + \(2H_2O\)
\(2NaOH\) + \(H_3SO_4\) → \(Na_2SO_4\) + \(2H_2O\)
\(2NaOH\) + \(H_2SO_4\) → \(Na_2SO_4\) + \(5H_2O\)

2. Write the balanced chemical equations for the following reactions.

Zinc + Silver nitrate → Zinc nitrate + Silver

\(Zn\) + \(2AuNO_3\) → \(Zn(NO_3)_2\) + \(2Ag\)
\(Zn\) + \(2AgNO_3\) → \(Zn(NO_3)_2\) + \(2Ag\)
\(Zn\) + \(AgNO_3\) → \(Zn(NO_3)_2\) + \(2Ag\)
\(Zn\) + \(2AgNO_3\) → \(Zr(NO_3)_2\) + \(2Ag\)
\(Zn\) + \(2AgNO_3\) → \(Zn(NO_3)_2\) + \(Ag\)

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