TW Task 3 - equations

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Last updated 7:25 PM on 8/26/26
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9 Terms

1
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Substance + oxygen →

Oxides

2Mg + O₂ → 2MgO

2
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Metal + water →

Metal hydroxide + hydrogen

2Na + 2H₂O → 2NaOH + H₂

3
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Metal + acid →

Salt + hydrogen

Mg + 2HCl → MgCl₂ + H₂

4
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Oxide + acid →

Salt + water

MgO + 2HNO₃ → Mg(NO₃)₂ + H₂O

5
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Hydroxide + acid →

Salt + water

2NaOH + H₂SO₄ → Na₂SO₄ + H₂O

6
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Carbonate + acid →

Salt + water + carbon dioxide

CuCO₃ + HCl→ KCl + H₂O + CO₂

7
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Hydrogencarbobate + acid →

Salt + water + carbon dioxide

KHCO₃ + HCl → H₂O + CO₂

8
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Ammonia + acid →

Ammonium salt

NH₃ + HCl → NH₄Cl

9
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Metal carbonate →

Metal oxide + carbon dioxide (on heating)

CaCO₃ → CaO + CO₂