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{“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 …

{“questions”:{“b6y89”:{“id”:”b6y89″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2004\r\n\r\n \r\nSecondo Bronsted e Lowry, l\u2019acido coniugato della base HPO42- \u00e8:\r\n“,”desc”:””,”hint”:””,”answers”:{“xf61g”:{“id”:”xf61g”,”image”:””,”imageId”:””,”title”:”A) H2PO4–“,”isCorrect”:”1″},”z1rm1″:{“id”:”z1rm1″,”image”:””,”imageId”:””,”title”:”B) H2PO4“},”pexn0”:{“id”:”pexn0″,”image”:””,”imageId”:””,”title”:”C) HPO4-“},”35ecv”:{“id”:”35ecv”,”image”:””,”imageId”:””,”title”:”D) HPO42+“},”aci0a”:{“id”:”aci0a”,”image”:””,”imageId”:””,”title”:”E) H3PO4“}}}},”results”:{“i2sd8”:{“id”:”i2sd8″,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” L’acido fosforico (ortofosforico) H3PO4 \u00e8 un acido triprotico e nelle tre deprotonazioni …

{“questions”:{“n2rdt”:{“id”:”n2rdt”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2000\r\n\r\n \r\nSolo una delle seguenti affermazioni \u00e8 ERRATA. Quale?\r\n“,”desc”:””,”hint”:””,”answers”:{“o5h70”:{“id”:”o5h70″,”image”:””,”imageId”:””,”title”:”A) Lo ione fluoruro \u00e8 la base coniugata di HF”},”ntkm1″:{“id”:”ntkm1″,”image”:””,”imageId”:””,”title”:”B) HCOOH \u00e8 l’acido coniugato della base formiato”},”3nk9h”:{“id”:”3nk9h”,”image”:””,”imageId”:””,”title”:”C) Lo ione solfato …

{“questions”:{“bs1o9”:{“id”:”bs1o9″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2001\r\n\r\n \r\n\u201cGli idrossidi sono composti ionici, che contengono OH\u2013 non solo in soluzione ma gi\u00e0 allo stato cristallino; la dissoluzione determina il distacco del catione dallo ione OH\u2013; …

{“questions”:{“8tgin”:{“id”:”8tgin”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 1997\r\n\r\n \r\nQuando si scioglie in acqua il composto NaOH, il pH della soluzione ottenuta \u00e8 sempre:\r\n“,”desc”:””,”hint”:””,”answers”:{“zp6vs”:{“id”:”zp6vs”,”image”:””,”imageId”:””,”title”:”A) < 7"},"c19f5":{"id":"c19f5","image":"","imageId":"","title":"B) > 7″,”isCorrect”:”1″},”22np3″:{“id”:”22np3″,”image”:””,”imageId”:””,”title”:”C) > 6 e < 8"},"1m2bs":{"id":"1m2bs","image":"","imageId":"","title":"D) = 7"},"jypu3":{"id":"jypu3","image":"","imageId":"","title":"E) > …

{“questions”:{“f89oy”:{“id”:”f89oy”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2004\r\n\r\n \r\nQuando l\u2019acqua si trasforma in ione idronio H3O+, essa si comporta da:\r\n“,”desc”:””,”hint”:””,”answers”:{“5hlny”:{“id”:”5hlny”,”image”:””,”imageId”:””,”title”:”A) anfolita”},”hwiqt”:{“id”:”hwiqt”,”image”:””,”imageId”:””,”title”:”B) acido”},”bsnz9″:{“id”:”bsnz9″,”image”:””,”imageId”:””,”title”:”C) base”,”isCorrect”:”1″},”lmyul”:{“id”:”lmyul”,”image”:””,”imageId”:””,”title”:”D) anione”},”p0507″:{“id”:”p0507″,”image”:””,”imageId”:””,”title”:”E) catione”}}}},”results”:{“7qab7”:{“id”:”7qab7″,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” Quando l\u2019acqua H2O si trasforma in ione idronio H3O+, avviene …

{“questions”:{“s1xx4”:{“id”:”s1xx4″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2015\r\n\r\n \r\nQuale delle seguenti coppie di sostanze reagendo d\u00e0 una soluzione con pH inferiore a 7?\r\n“,”desc”:””,”hint”:””,”answers”:{“zp8rz”:{“id”:”zp8rz”,”image”:””,”imageId”:””,”title”:”A) Mg(s) + H2O(l)”},”xqm3b”:{“id”:”xqm3b”,”image”:””,”imageId”:””,”title”:”B) CaO(s) + H2O(l)”},”vkivj”:{“id”:”vkivj”,”image”:””,”imageId”:””,”title”:”C) K2CO3(s) + H2O(l)”},”fbh13″:{“id”:”fbh13″,”image”:””,”imageId”:””,”title”:”D) CO2(g) + H2O(l)”,”isCorrect”:”1″},”52j6j”:{“id”:”52j6j”,”image”:””,”imageId”:””,”title”:”E) …

{“questions”:{“ylgfk”:{“id”:”ylgfk”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 1998\r\n\r\n \r\nSecondo la definizione di Bronsted-Lowry, quale dei seguenti ioni pu\u00f2 comportarsi solo come acido?\r\n“,”desc”:””,”hint”:””,”answers”:{“xrr8t”:{“id”:”xrr8t”,”image”:””,”imageId”:””,”title”:”A) NH4+“,”isCorrect”:”1″},”qkybv”:{“id”:”qkybv”,”image”:””,”imageId”:””,”title”:”B) PO33-“},”s1q4h”:{“id”:”s1q4h”,”image”:””,”imageId”:””,”title”:”C) HPO3—“},”kgevm”:{“id”:”kgevm”,”image”:””,”imageId”:””,”title”:”D) HPO4—“},”d2ynl”:{“id”:”d2ynl”,”image”:””,”imageId”:””,”title”:”E) HSO4–“}}}},”results”:{“ij8nq”:{“id”:”ij8nq”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \u00c8 bene conoscere la definizione di acido e …