give three eg. of reaction between metals and water to show that difference metals have different reactivities
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Metals like Sodium and potassium react with water violently.
2Na+2H2O --------> 2NaOH + H2 + heat energy
Calcium reacts less violently than sodium and potassium.
Ca + 2H2O ----------> Ca(OH)2 + H2
Metals like aluminium and iron react slowly.
2Al + 3H2O -----------> Al2O3 + H2
2Na+2H2O --------> 2NaOH + H2 + heat energy
Calcium reacts less violently than sodium and potassium.
Ca + 2H2O ----------> Ca(OH)2 + H2
Metals like aluminium and iron react slowly.
2Al + 3H2O -----------> Al2O3 + H2
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