Ca - CaCl2 - Ca(OH)2 - CaCl2 - Ca(NO3)2

Question

Ca - CaCl2 - Ca(OH)2 - CaCl2 - Ca(NO3)2

Answer 1

Ca + 2HCl = CaCl2 + H2.
CaCl2 + 2NaOH = Ca(OH)2 + 2NaCl
Са(ОН)2 + 2НCl = СаCl2 + 2Н2О
Ca(OH)2 + HNO3 = Ca(NO3)2 + 2H2O.