VTHISTEDGO VTHISTEDGO Chemistry Answered Which equation is an example of a redox reaction? A. Ca(OH)2 + H2SO3 + 2H20 + CaSO3 B. HCI + KOH + KCI + H20 C. 2K+ CaBr +2KBr + Ca D. BaCl2 + Na2SO4 + 2NaCl + BaSO4