Question

Как получить из Ca - CaO - Ca(OH)2 - Ca(NO3)2

Answer 1

2Ca+$O_{2}$=2CaO.
CaO+$H_{2}$O=Ca$(OH)_{2}$.
Ca$(OH)_{2}$+2NaN$O_{3}$=Ca$(N O_{3}) _{2}$+2NaOH