Question

16. Write the chemical reaction of any metal with

i) dilute acid ii) oxygen iii) oxygen and water

Answer 1

Let the metal be Fe(iron).

i)Fe + HCl ---------->FeCl3(or FeCl2)+ H2(in presence of hot steam).

ii)Fe + O2------------>Fe2O3

iii)Fe + O2 + H2O-------------->Fe2O3.xH2O(rust)

Answer 2

1.Zn + H2So4 = ZnSo4 + H2

2.Zn + O = ZnO

3.Zn + H2O = ZnO + H2

Hope this would help you:-)