6、opicofthismodule. Italsointroducesoxidereactionofmetals. Theexercisesdesignedaccordingtothereadingtextenablethestudentstolearntousetherelevantvocabularybydoingtheexercises.VOCABULARYThissectionsuppliesvocabularyonexperimentalapparatusandgivesusthereadingmethodoffractions. Ita