Na2CO3+ HCL --> NAOH + HCL ----> FE(OH)3 + HNO3 ---> Mg + H2SO4 --->
Na₂CO₃+2HCl=2NaCl+H₂O+CO₂↑ NaOH+HCl=NaCl+H₂O Fe(OH)₃+3HNO₃=Fe(NO₃)₃+3H₂O Mg+H₂SO₄=MgSO₄+H₂↑