Question

Under what conditions metals like
i) sodium ii) calcium iii) iron reacts with water
write chemical reactions​

Answer 1

Explanation:

sodium and calcium can react even with cold water whereas iron only reacts with steam

eg: Fe+H2O-Fe3O4+H2

Answer 2

Answer:

Sodium and calcium react with water under normal conditions

Iron reavts with steam

Explanation:

2Na + 2H2O = 2NaOH + H2

Ca + 2H2O = Ca(OH)2 + H2

3Fe + 4H2O = Fe3O4 +H2