Question

Of the three metals X, Y and Z, X reacts with cold water and Z reacts with steam only. Identify X, Y and Z. * 1 point X is sodium or potassium, Y is Magnesium or Calcium, Z is Iron. X is Iron, Y is sodium and Z is calcium. X is Magnesium, Y is Calcium and Z is potassium. None of the above.

pls answer quick!tyy^^​

Answer 1

Answer:

X is sodium, Y is magnesium and Z is iron. 

2Na+2H2O→2NaOH+H2

Mg+2H2O→Mg(OH)2+H2

3Fe+4H2O→Fe3O4+4H2

Their sequence in reactivity series is as follows: 

Fe<Mg<Na

Thx ❣