10.a. HNO₃ + NaOH -------> NaNO₃ + H₂O

10.b. Ca(OH)₂ + 2 HI -------> CaI₂ + 2H₂O

10.c. HCLO₂ + KOH -------> KClO₂ + H₂O

neutralization and salts