PDF chapter test TRY NOW

30. Analyse the equations and choose the correct answer

Find whether the equation is correct balanced or not:

1. Statement: \(Zn + 3{HCl}\rightarrow ZnCl_2 + H_2\)

2. Statement: \(Na_2CO_3 + 2HCl \rightarrow 3NaCl + H_2O + CO_2\)

3. Statement: \(Ca{OH}_2 \rightleftharpoons Ca^{4+} + 2OH^-\)

Did you find an error?