Labels:book | bulletin board | daily | earth | sky | tree | windowpane OCR: OXIDATION AND REDUCTION XIDATION and reduction are substance loses electrons Beduction processes that occur during some reverse of oxidation. too, can chemical reactions Oxidation can take take place in three ways: when oxygen place i1 three ways: when oxygen lost by substance, when hydrogen added substance, when hydrogen gained substance or when is lost substance or when St bstance gains electrons Oxidation in action |Magnesium When me agnest ium burned in air oxide ash the metal suna tn ast gains oxygen and ast becomes magnesium oxide This Magnesium ribbon REDUCTION Copper oxide IN ACTION Glass tube Glass Rubber bung tube REDOX REACTIONS suhstance eash turns oxidized REDO