Which of the following reactions is an oxidation reduction

Last updated: 4/29/2023

Which of the following reactions is an oxidation reduction reaction a CaCO3 2HCl CaCl H O CO NH4NO3 N O 2 H O b c AgNO3 KI AgI KNO3 d H SO4 NaOH Na SO4 2H O CaO SO3 CaSO4 e