19. Exercises XII

2 m.

1. Write the balanced chemical equation for the following.

Magnesium(s) + Hydrochloric acid(aq) → Magnesium chloride(aq) + Hydrogen(g)

\(Mn\)(s) + \(2HCl\)(aq) → \(MgCl_2\)(aq) + \(H_2\)(g)
\(Mn\)(s) + \(2HCl\)(aq) → \(MgCl_2\)(aq) + \(H_2O\)(g)
\(Mg\)(s) + \(2HCl\)(aq) → \(MgCl_2\)(aq) + \(H_2\)(g)
\(Mg\)(s) + \(2HCl\)(aq) → \(MnCl_2\)(aq) + \(H_2\)(g)
\(Mg\)(s) + \(HCl\)(aq) → \(MgCl_2\)(aq) + \(H_2\)(g)

2. Identify the type of the following reaction.

Magnesium(s) + Hydrochloric acid(aq) → Magnesium chloride(aq) + Hydrogen(g)

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