Chemical properties of metals

1. Those of them higher than hydrogen in the electrochemical series liberate hydrogen when treated with dilute acid.

Mg(s) + 2HCL(aq) →  NgCL2(aq) + H2(g)

2. As reducing agent-metals are very good reducing agents.

2Zn(s) + CO2(g) →  2ZnO(s) + C(s)

3. Most metals react with oxygen to form basic oxides

2Mg(s) + O2(g) →  2MgO(s)

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