NAOH+HCL-> AL (OH)3+HNO3-> FE+H2SO4->
NaOH + HCl = NaCl + H2O
Al(OH)3 +3 HNO3 = Al(NO3)3 +3 H2O
2Fe + 6H2SO4 = Fe2(SO4)3 + 3SO2 + 6H2O