Write the reaction equation: Na- NaOH- Na2CO3- NaCl- NaNO3

1) 2Na + 2H2O = 2NaOH + H2 (when sodium interacts with water, sodium hydroxide and hydrogen are formed);

2) 2NaOH + H2CO3 = Na2CO3 + 2H2O (when sodium hydroxide interacts with carbonic acid, sodium carbonate and water are formed);

3) Na2CO3 + 2HCl = 2NaCl + H2CO3 (when sodium carbonate interacts with hydrochloric acid, sodium chloride and carbonic acid are formed);

4) NaCl + AgNO3 = AgCl + NaNO3 (when sodium chloride interacts with silver nitrate, silver chloride and sodium nitrate are formed).

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