Archives

{“questions”:{“zmrd2”:{“id”:”zmrd2″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 1999 \r\n\r\n \r\nUn elettrolita debole:\r\n“,”desc”:””,”hint”:””,”answers”:{“b3iw8”:{“id”:”b3iw8″,”image”:””,”imageId”:””,”title”:”A) \u00e8 sempre poco dissociato”},”9c811″:{“id”:”9c811″,”image”:””,”imageId”:””,”title”:”B) si dissocia al massimo per il 50%”},”enib1″:{“id”:”enib1″,”image”:””,”imageId”:””,”title”:”C) \u00e8 tanto meno dissociato, quanto pi\u00f9 \u00e8 concentrata la soluzione in cui …

{“questions”:{“gvnei”:{“id”:”gvnei”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 1998 \r\n\r\n \r\nSono sempre elettroliti forti:\r\n“,”desc”:””,”hint”:””,”answers”:{“9xly7”:{“id”:”9xly7″,”image”:””,”imageId”:””,”title”:”A) gli acidi”},”kn4w6″:{“id”:”kn4w6″,”image”:””,”imageId”:””,”title”:”B) gli esteri”},”m8tcj”:{“id”:”m8tcj”,”image”:””,”imageId”:””,”title”:”C) le basi”},”hx7qm”:{“id”:”hx7qm”,”image”:””,”imageId”:””,”title”:”D) i sali solubili”,”isCorrect”:”1″},”8eydi”:{“id”:”8eydi”,”image”:””,”imageId”:””,”title”:”E) le anidridi”}}}},”results”:{“r8com”:{“id”:”r8com”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” Tutte le sostanze che sciogliendosi in acqua producono ioni si chiamano …

{“questions”:{“jqjex”:{“id”:”jqjex”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 1997 \r\n\r\n \r\nQual \u00e8 il pH di una soluzione acquosa di NaCl 0,2 Molare?\r\n“,”desc”:””,”hint”:””,”answers”:{“9p9ea”:{“id”:”9p9ea”,”image”:””,”imageId”:””,”title”:”A) 4,0″},”t1pbx”:{“id”:”t1pbx”,”image”:””,”imageId”:””,”title”:”B) 7,8″},”19m57″:{“id”:”19m57″,”image”:””,”imageId”:””,”title”:”C) 7,0″,”isCorrect”:”1″},”4ps0r”:{“id”:”4ps0r”,”image”:””,”imageId”:””,”title”:”D) 2,0″},”9jrvv”:{“id”:”9jrvv”,”image”:””,”imageId”:””,”title”:”E) 0,2″}}}},”results”:{“y1hrc”:{“id”:”y1hrc”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” Il sale cloruro di sodio (detto anche sale da …

{“questions”:{“uxet9”:{“id”:”uxet9″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 1997 \r\n\r\n \r\nQual \u00e8 il pH di una soluzione acquosa di KCl 0,5 molare?\r\n“,”desc”:””,”hint”:””,”answers”:{“she1l”:{“id”:”she1l”,”image”:””,”imageId”:””,”title”:”A) 5″},”389bw”:{“id”:”389bw”,”image”:””,”imageId”:””,”title”:”B) 7,5″},”qyjbn”:{“id”:”qyjbn”,”image”:””,”imageId”:””,”title”:”C) 7,0″,”isCorrect”:”1″},”djkcz”:{“id”:”djkcz”,”image”:””,”imageId”:””,”title”:”D) 2″},”p4dv2″:{“id”:”p4dv2″,”image”:””,”imageId”:””,”title”:”E) 8″}}}},”results”:{“wy72t”:{“id”:”wy72t”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” Il sale cloruro di potassio KCl \u00e8 un esempio …

{“questions”:{“50y15”:{“id”:”50y15″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2001\r\n\r\n \r\nL’idrolisi salina \u00e8 il fenomeno\r\n“,”desc”:””,”hint”:””,”answers”:{“wk35l”:{“id”:”wk35l”,”image”:””,”imageId”:””,”title”:”A) per il quale alcuni sali sciolti in acqua ne provocano la scissione in H2 e O2“},”oiok5”:{“id”:”oiok5″,”image”:””,”imageId”:””,”title”:”B) per il quale alcuni sali reagiscono …

{“questions”:{“zz2qp”:{“id”:”zz2qp”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\np.san 2012\r\n\r\n \r\nSi consideri la reazione necessaria per neutralizzare 1 litro di soluzione 0,5 M di HCl, ottenendo come prodotto NaCl. Quale affermazione in merito \u00e8 FALSA?\r\n“,”desc”:””,”hint”:””,”answers”:{“v3mue”:{“id”:”v3mue”,”image”:””,”imageId”:””,”title”:”A) La soluzione …

{“questions”:{“ouay2”:{“id”:”ouay2″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\np.san 2004 \r\n\r\n \r\nNella titolazione tra HCl ed NaOH il punto di equivalenza si raggiunge a :\r\n“,”desc”:””,”hint”:””,”answers”:{“9s4s6”:{“id”:”9s4s6″,”image”:””,”imageId”:””,”title”:”A) PH = > 7″},”g75lp”:{“id”:”g75lp”,”image”:””,”imageId”:””,”title”:”B) PH = 0″},”951eo”:{“id”:”951eo”,”image”:””,”imageId”:””,”title”:”C) PH = 14″},”ylxd9″:{“id”:”ylxd9″,”image”:””,”imageId”:””,”title”:”D) PH = …

{“questions”:{“28r9n”:{“id”:”28r9n”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2015 \r\n\r\n \r\n20 g di NaOH sono sciolti in 500 mLdi acqua.\r\nQual \u00e8 il volume minimo di questa soluzione necessario per neutralizzare 25 mL di una soluzione 1 …

{“questions”:{“ehed8”:{“id”:”ehed8″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2015\r\n\r\n \r\nQual \u00e8 il volume minimo di una soluzione acquosa di idrossido di potassio 0,150 mol\/L necessario per neutralizzare completamente una soluzione acquosa contenente 5\u00d710\u20133 mol di acido …

{“questions”:{“ukb3l”:{“id”:”ukb3l”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2010\r\n\r\n \r\nCalcolare il pH di una soluzione ottenuta aggiungendo 100 ml di una soluzione 0,1 M di HCl a 50 ml di una soluzione 0,2 M di NaOH.\r\n“,”desc”:””,”hint”:””,”answers”:{“uscd2”:{“id”:”uscd2″,”image”:””,”imageId”:””,”title”:”A) …