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{“questions”:{“lydqq”:{“id”:”lydqq”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\np.san 2009\r\n\r\n \r\nQuale tra i seguenti composti ha comportamento acido in acqua?\r\n“,”desc”:””,”hint”:””,”answers”:{“5dg6i”:{“id”:”5dg6i”,”image”:””,”imageId”:””,”title”:”A) NaOH”},”bdsdc”:{“id”:”bdsdc”,”image”:””,”imageId”:””,”title”:”B) KNO3“},”fm373”:{“id”:”fm373″,”image”:””,”imageId”:””,”title”:”C) HCl”,”isCorrect”:”1″},”96ira”:{“id”:”96ira”,”image”:””,”imageId”:””,”title”:”D) KOH”},”38xl6″:{“id”:”38xl6″,”image”:””,”imageId”:””,”title”:”E) NaCl”}}}},”results”:{“mtwcx”:{“id”:”mtwcx”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” Quiz molto veloce da risolvere perch\u00e9 si individua con immediatezza nella risposta …

{“questions”:{“zik04”:{“id”:”zik04″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\np.san 2003\r\n\r\n \r\nUna base \u00e8 un composto che:\r\n“,”desc”:””,”hint”:””,”answers”:{“0x178”:{“id”:”0x178″,”image”:””,”imageId”:””,”title”:”A) cede idrogenioni”},”jqu1i”:{“id”:”jqu1i”,”image”:””,”imageId”:””,”title”:”B) cede ossidrilioni”,”isCorrect”:”1″},”owuzp”:{“id”:”owuzp”,”image”:””,”imageId”:””,”title”:”C) acquista ossidrilioni”},”6goqo”:{“id”:”6goqo”,”image”:””,”imageId”:””,”title”:”D) acquista neutroni”},”iiq16″:{“id”:”iiq16″,”image”:””,”imageId”:””,”title”:”E) scambia elettroni e protoni”}}}},”results”:{“d3w4c”:{“id”:”d3w4c”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” Questo quiz \u00e8 presentato in modo estremamente semplice e …

{“questions”:{“bvpnm”:{“id”:”bvpnm”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2015\r\n\r\n \r\nTutte le equazioni sottostanti descrivono reazioni acido-base. In quale delle reazioni il composto sottolineato si comporta da acido di Lewis e non da acido di Br\u00f8nsted-Lowry?\r\n“,”desc”:””,”hint”:””,”answers”:{“roj7r”:{“id”:”roj7r”,”image”:””,”imageId”:””,”title”:”A) NH3 …

{“questions”:{“ehwc2”:{“id”:”ehwc2″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2013\r\n\r\n \r\nNella reazione:\r\n H2SO4 + H2O \u21c4 H3O+ + HSO4–\r\nQuale delle seguenti combinazioni di specie chimiche \u00e8 una coppia acido-base coniugata?\r\n\r\n“,”desc”:””,”hint”:””,”answers”:{“pehw7”:{“id”:”pehw7″,”image”:””,”imageId”:””,”title”:”A) H2SO4 e H3O+“},”aoqst”:{“id”:”aoqst”,”image”:””,”imageId”:””,”title”:”B) H2SO4 e H2O”},”gbe9w”:{“id”:”gbe9w”,”image”:””,”imageId”:””,”title”:”C) H3O+ …

{“questions”:{“oevt7”:{“id”:”oevt7″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2013\r\n\r\n \r\nQuale delle seguenti sostanze pu\u00f2 comportarsi sia da acido che da base secondo Br\u00f8nsted-Lowry?\r\n“,”desc”:””,”hint”:””,”answers”:{“95goy”:{“id”:”95goy”,”image”:””,”imageId”:””,”title”:”A) CO32-“},”wq7u7”:{“id”:”wq7u7″,”image”:””,”imageId”:””,”title”:”B) H2PO4–“,”isCorrect”:”1″},”l9sj1″:{“id”:”l9sj1″,”image”:””,”imageId”:””,”title”:”C) NH4+“},”kglhe”:{“id”:”kglhe”,”image”:””,”imageId”:””,”title”:”D) CH4“},”xzsqb”:{“id”:”xzsqb”,”image”:””,”imageId”:””,”title”:”E) H3O+“}}}},”results”:{“ino8f”:{“id”:”ino8f”,”title”:” SPIEGAZIONE“,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” Alcune sostanze, come l\u2019acqua, hanno la caratteristica …

{“questions”:{“6b1dq”:{“id”:”6b1dq”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2009\r\n\r\n \r\nIndica qual \u00e8 il comportamento di un acido in soluzione acquosa:\r\n“,”desc”:””,”hint”:””,”answers”:{“0gjm3”:{“id”:”0gjm3″,”image”:””,”imageId”:””,”title”:”A) accetta protoni”},”mcl17″:{“id”:”mcl17″,”image”:””,”imageId”:””,”title”:”B) libera elettroni”},”web9o”:{“id”:”web9o”,”image”:””,”imageId”:””,”title”:”C) libera protoni”,”isCorrect”:”1″},”m7bim”:{“id”:”m7bim”,”image”:””,”imageId”:””,”title”:”D) libera ioni ossidrile”},”evtfq”:{“id”:”evtfq”,”image”:””,”imageId”:””,”title”:”E) accetta elettroni”}}}},”results”:{“n4sy6”:{“id”:”n4sy6″,”title”:” SPIEGAZIONE“,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” Il comportamento di un …

{“questions”:{“51lsp”:{“id”:”51lsp”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2007\r\n\r\n \r\nIndicare una coppia coniugata acido-base nella seguente reazione:CN– + H2O = HCN + OH–:\r\n“,”desc”:””,”hint”:””,”answers”:{“cgqp9”:{“id”:”cgqp9″,”image”:””,”imageId”:””,”title”:”A) H2O, OH–“,”isCorrect”:”1″},”c7jbp”:{“id”:”c7jbp”,”image”:””,”imageId”:””,”title”:”B) CN-, H2O”},”cyh0m”:{“id”:”cyh0m”,”image”:””,”imageId”:””,”title”:”C) HCN, OH–“},”6o5bp”:{“id”:”6o5bp”,”image”:””,”imageId”:””,”title”:”D) H2O, HCN”},”gmmwx”:{“id”:”gmmwx”,”image”:””,”imageId”:””,”title”:”E) H2O, H3O+“}}}},”results”:{“si2o4”:{“id”:”si2o4″,”title”:” SPIEGAZIONE“,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” Secondo la …

{“questions”:{“frza1”:{“id”:”frza1″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2005\r\n\r\n \r\nIndicare il solo composto che sciolto in acqua la rende acida.\r\n“,”desc”:””,”hint”:””,”answers”:{“wne0j”:{“id”:”wne0j”,”image”:””,”imageId”:””,”title”:”A) KBr”},”po92a”:{“id”:”po92a”,”image”:””,”imageId”:””,”title”:”B) BaO”},”expyv”:{“id”:”expyv”,”image”:””,”imageId”:””,”title”:”C) CO2“,”isCorrect”:”1″},”3632e”:{“id”:”3632e”,”image”:””,”imageId”:””,”title”:”D) NaOH”},”qfiqc”:{“id”:”qfiqc”,”image”:””,”imageId”:””,”title”:”E) NaCl”}}}},”results”:{“6ivwg”:{“id”:”6ivwg”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” Analizziamo le risposte:\r\n A) ed E)\u00a0il bromuro di potassio KBr e …

{“questions”:{“59gtk”:{“id”:”59gtk”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2005\r\n\r\n \r\nSecondo Bronsted:\r\n“,”desc”:””,”hint”:””,”answers”:{“gmbng”:{“id”:”gmbng”,”image”:””,”imageId”:””,”title”:”A) la base coniugata di un acido debole \u00e8 una base forte”},”lxyb7″:{“id”:”lxyb7″,”image”:””,”imageId”:””,”title”:”B) quanto pi\u00f9 forte \u00e8 un acido, tanto pi\u00f9 debole \u00e8 la sua base coniugata”,”isCorrect”:”1″},”0niwp”:{“id”:”0niwp”,”image”:””,”imageId”:””,”title”:”C) …

{“questions”:{“e2gnp”:{“id”:”e2gnp”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2004\r\n\r\n \r\nSecondo la teoria di Bronsted – Lowry, nelle reazioni acido – base viene trasferito un protone da un acido ad una base, con formazione di un nuovo …