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{“questions”:{“1j08h”:{“id”:”1j08h”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 1999\r\n\r\n \r\nSe un litro di soluzione acquosa di HCl a pH = 4 viene diluito con acqua a 10 litri, il pH della soluzione ottenuta \u00e8:\r\n“,”desc”:””,”hint”:””,”answers”:{“rdcn0”:{“id”:”rdcn0″,”image”:””,”imageId”:””,”title”:”A) 0,4″},”q30q7″:{“id”:”q30q7″,”image”:””,”imageId”:””,”title”:”B) 14″},”pmoyx”:{“id”:”pmoyx”,”image”:””,”imageId”:””,”title”:”C) …

{“questions”:{“lfe9o”:{“id”:”lfe9o”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 1998\r\n\r\n \r\nSe si vuole ottenere una soluzione acquosa a pH=4 partendo da una soluzione acquosa a pH=2, un litro di quest’ultima va diluito con acqua fino a:\r\n“,”desc”:””,”hint”:””,”answers”:{“lgfq1”:{“id”:”lgfq1″,”image”:””,”imageId”:””,”title”:”A) 100 …

{“questions”:{“jod9k”:{“id”:”jod9k”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2008\r\n\r\n \r\nIn una titolazione di 25ml di una soluzione di HCl ( acido cloridrico) sono stati utilizzati 11,5ml di NaOH (idrossido di sodio) 0,2M. Qual \u00e8 la concentrazione …

{“questions”:{“52yr4”:{“id”:”52yr4″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2007\r\n\r\n \r\nSe un soluzione acquosa di HCl (1 L) avente pH = 4 viene diluita con acqua a un volume dieci volte maggiore (a 10 L), il pH …

{“questions”:{“m2i57”:{“id”:”m2i57″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2013\r\n\r\n \r\nQuale delle seguenti soluzioni acquose \u00e8 la pi\u00f9 acida?\r\n“,”desc”:””,”hint”:””,”answers”:{“21hmg”:{“id”:”21hmg”,”image”:””,”imageId”:””,”title”:”A) 2M HNO3“},”hii69”:{“id”:”hii69″,”image”:””,”imageId”:””,”title”:”B) 1M H2SO4“},”2nd2f”:{“id”:”2nd2f”,”image”:””,”imageId”:””,”title”:”C) 2M HCOOH”},”c0chf”:{“id”:”c0chf”,”image”:””,”imageId”:””,”title”:”D) 3M HCl”,”isCorrect”:”1″},”85bi6″:{“id”:”85bi6″,”image”:””,”imageId”:””,”title”:”E) 3M CH3COOH”}}}},”results”:{“qppgj”:{“id”:”qppgj”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” Escludiamo da subito le risposte C) ed E) …

{“questions”:{“1ys0z”:{“id”:”1ys0z”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\np.san 2004\r\n\r\n \r\nIl PH di una soluzione 0,01 M di HCl \u00e8:\r\n“,”desc”:””,”hint”:””,”answers”:{“t7yc1”:{“id”:”t7yc1″,”image”:””,”imageId”:””,”title”:”A) 2″,”isCorrect”:”1″},”2zua8″:{“id”:”2zua8″,”image”:””,”imageId”:””,”title”:”B) 1″},”gvt88″:{“id”:”gvt88″,”image”:””,”imageId”:””,”title”:”C) 3″},”esf4e”:{“id”:”esf4e”,”image”:””,”imageId”:””,”title”:”D) 10-2“},”ebj8c”:{“id”:”ebj8c”,”image”:””,”imageId”:””,”title”:”E) 0,5″}}}},”results”:{“vne2n”:{“id”:”vne2n”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” Per affrontare il quiz dobbiamo riconoscere che HCl , l’acido cloridrico, \u00e8 …

{“questions”:{“19u8t”:{“id”:”19u8t”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2010\r\n\r\n \r\nQuale delle seguenti soluzioni \u00e8 quella pi\u00f9 basica?\r\n“,”desc”:””,”hint”:””,”answers”:{“1gz0d”:{“id”:”1gz0d”,”image”:””,”imageId”:””,”title”:”A) KOH 0,01 M “},”1i0e6”:{“id”:”1i0e6″,”image”:””,”imageId”:””,”title”:”B) KOH 0,1 M”},”mq740″:{“id”:”mq740″,”image”:””,”imageId”:””,”title”:”C) NaOH 1 M”,”isCorrect”:”1″},”aa6a2″:{“id”:”aa6a2″,”image”:””,”imageId”:””,”title”:”D) NaOH 10-3 M”},”jw7y8″:{“id”:”jw7y8″,”image”:””,”imageId”:””,”title”:”E) LiOH 10-4 M”}}}},”results”:{“cx2hu”:{“id”:”cx2hu”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” Nelle risposte sono …

{“questions”:{“rr7x6”:{“id”:”rr7x6″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2009\r\n\r\n \r\nIl pH di una soluzione acquosa 0,01 N di un acido forte \u00e8:\r\n“,”desc”:””,”hint”:””,”answers”:{“59l0y”:{“id”:”59l0y”,”image”:””,”imageId”:””,”title”:”A) 2,0″,”isCorrect”:”1″},”fiv9h”:{“id”:”fiv9h”,”image”:””,”imageId”:””,”title”:”B) 0,0″},”v2ued”:{“id”:”v2ued”,”image”:””,”imageId”:””,”title”:”C) 0,1″},”5z26e”:{“id”:”5z26e”,”image”:””,”imageId”:””,”title”:”D) 0,2″},”z1hov”:{“id”:”z1hov”,”image”:””,”imageId”:””,”title”:”E) 1,0″}}}},”results”:{“36hxe”:{“id”:”36hxe”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” Dobbiamo innanzi tutto ricordare che la concentrazione pu\u00f2 essere …

{“questions”:{“r8kaw”:{“id”:”r8kaw”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2006\r\n\r\n \r\nIndicare il valore di pH di una soluzione 1 M di HClO4 a 25\u00b0 C :\r\n“,”desc”:””,”hint”:””,”answers”:{“9iru9”:{“id”:”9iru9″,”image”:””,”imageId”:””,”title”:”A) 7″},”wywlo”:{“id”:”wywlo”,”image”:””,”imageId”:””,”title”:”B) 1″},”9wq18″:{“id”:”9wq18″,”image”:””,”imageId”:””,”title”:”C) 10″},”xfeoo”:{“id”:”xfeoo”,”image”:””,”imageId”:””,”title”:”D) \u20131″},”seb77″:{“id”:”seb77″,”image”:””,”imageId”:””,”title”:”E) 0″,”isCorrect”:”1″}}}},”results”:{“5pblz”:{“id”:”5pblz”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” Per affrontare il quiz dobbiamo riconoscere …

{“questions”:{“ch2co”:{“id”:”ch2co”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2005\r\n\r\n \r\nSe una soluzione acquosa di un acido monoprotico ha pH 3 e contiene 0,001 mol di acido per litro, si pu\u00f2 essere certi che essa:\r\n“,”desc”:””,”hint”:””,”answers”:{“fblwx”:{“id”:”fblwx”,”image”:””,”imageId”:””,”title”:”A) contiene un …