ChemistryEasy35×since 2002Q1793Which of the following is a redox reaction ?ANaCl + KNO₃ →\to→ NaNO₃ + KClBCaC₂O₄ + 2HCl →\to→ CaCl₂ + H₂C₂O₄CMg(OH)₂ + 2NH₄Cl →\to→ MgCl₂ + 2NH₄OHDZn + 2AgCN →\to→ 2Ag+ Zn(CN)₂Check answerSkip