Question

Сa'-Cao"-Ca(OH)2 - Ca(No3)2 Ca3(po4)2

Answer 1

2Ca + O2 = 2CaO

CaO + H2O = Ca(OH)2

Ca(OH)2 + 2NaNO3 = Ca(NO3)2 + 2NaOH

3Ca(NO3)2 + 2AlPO4 = Ca3(PO4)2 + 2Al(NO3)3