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निम्न में से कौन-सी रिडॉक्स अभिक्रिया है ?A. `AgNO_(3)+HCI rarr AgCl +HNO_(3)`B. `BaO_(2)+H_(2)SO_(4) rarr BaSO_(4)+H_(2)O_(2)`C. `SO_(2)+2H_(2)S rarr 2H_(2)O+3S`D. `CaC_(2)O_(4) rarr CaCl_(2)+H_(2)C_(2)O_(4)`

Answer» Correct Answer - A::B::C


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