Metals

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5 Terms

1
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Rust

4Fe (s) + 3O2 + 4H2O → 2Fe2O32H2O
iron + oxygen + water → hydrated iron(III) oxide

2
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metal + water

metal hydroxide + hydrogen

i.e

2K + 2H2O → 2KOH + H2

3
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metal + oxygen

metal oxide

i.e

4K + O2 → 2K2O

4
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metal + acid

metal salt + hydrogen

i.e

Mg + H2SO4 → Mg2SO4 + H2

5
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metal + steam

metal oxide + hydrogen

i.e

Mg + H2O (g) → MgO + H2