PDF chapter test TRY NOW
Find whether the equation is correct balanced or not:
1. Statement: \(H_2SO_4 + Zn\rightarrow ZnSO_4 + H_2\)
2. Statement: \(2NaOH + Zn\rightarrow Na_2ZnO_2+ H_2\)
3. Statement: \(Ca{OH}_2 \rightleftharpoons Ca^{4+} + 2OH^-\)
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