Question

Write the balanced equation and give your observation when the following metals react (1)sodium with cold water (2)calcium with cold water (3)magnesium with boiling water (4)magnesium with steam

Answer 1

Answer:

1. 2Na+2H2O =2NaOH+H2+heat
2. Ca+2H2O=Ca(OH)2+H2
3. Mg+2H2O=Mg(OH)2+H2

Answer 2

Answer:

Explanation:

2 na+ 2 H2O gives 2n a o h + H2

CA + 2 H2O gives Ca(OH)2+ H2

Mg+2h2o gives mg(OH)2 + h2