Question

Ca-CaO-Ca (OH)2-H2O-H2-NH3

Answer 1

Ca --> CaO --> Ca(OH)2 --> H2O --> H2 --> NH3
1) 2Ca + O2 --> 2CaO
2) CaO + H2O --> Ca(OH)2
3) Ca(OH)2 + 2HCl --> CaCl2 + 2H2O
4) 2H2O + 2K --> 2KOH + H2
5) 3H2 + N2 --> 2NH3