過か酸さん化か物ぶつかさんかぶつじ字FuriganaMeanings1noun, noun which may take the genitive case particle 'no'peroxideChemical term for a compound containing an oxygen-oxygen single bond. Used in both noun and adjectival (no-adjective) roles.過か酸さん化か水すい素そは代だい表ひょう的てきな過か酸さん化か