Archives

{“questions”:{“ds2g0”:{“id”:”ds2g0″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 1999 \r\n\r\n \r\nL’ossido di potassio, reagendo con l’acqua, forma:\r\n“,”desc”:””,”hint”:””,”answers”:{“bvfxd”:{“id”:”bvfxd”,”image”:””,”imageId”:””,”title”:”A) un sale”},”i1uy9″:{“id”:”i1uy9″,”image”:””,”imageId”:””,”title”:”B) una soluzione basica”,”isCorrect”:”1″},”nmnvq”:{“id”:”nmnvq”,”image”:””,”imageId”:””,”title”:”C) una soluzione acida”},”xzvhg”:{“id”:”xzvhg”,”image”:””,”imageId”:””,”title”:”D) potassio libero”},”dzht5″:{“id”:”dzht5″,”image”:””,”imageId”:””,”title”:”E) la reazione non avviene”}}}},”results”:{“pqe1v”:{“id”:”pqe1v”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\n \r\n \r\n \r\n \r\n …

{“questions”:{“1dw69”:{“id”:”1dw69″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 1999 \r\n\r\n \r\nNegli ossiacidi inorganici:\r\n“,”desc”:””,”hint”:””,”answers”:{“b5vt6”:{“id”:”b5vt6″,”image”:””,”imageId”:””,”title”:”A) gli atomi di idrogeno acidi sono legati sempre all’atomo centrale”},”8oxzj”:{“id”:”8oxzj”,”image”:””,”imageId”:””,”title”:”B) gli atomi di idrogeno acidi presentano legami ionici con gli atomi di ossigeno”},”pd2no”:{“id”:”pd2no”,”image”:””,”imageId”:””,”title”:”C) …

{“questions”:{“6ycjl”:{“id”:”6ycjl”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 1997 \r\n\r\n \r\nLa sostanza NaOH puo’ formare un sale reagendo con:\r\n“,”desc”:””,”hint”:””,”answers”:{“tdds6”:{“id”:”tdds6″,”image”:””,”imageId”:””,”title”:”1) NH3“},”1zqra”:{“id”:”1zqra”,”image”:””,”imageId”:””,”title”:”2) CH4 “},”cri4n”:{“id”:”cri4n”,”image”:””,”imageId”:””,”title”:”3) HBr”,”isCorrect”:”1″},”f1gs4″:{“id”:”f1gs4″,”image”:””,”imageId”:””,”title”:”4) H2“},”sooln”:{“id”:”sooln”,”image”:””,”imageId”:””,”title”:”5) H2O”}}}},”results”:{“te34q”:{“id”:”te34q”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nNaOH \u00e8 l’idrossido di sodio, detto anche soda caustica.\u00a0\u00c8 una base …

{“questions”:{“namgv”:{“id”:”namgv”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2010 \r\n\r\n \r\nNel solfato di alluminio sono presenti:\r\n“,”desc”:””,”hint”:””,”answers”:{“fhp73”:{“id”:”fhp73″,”image”:””,”imageId”:””,”title”:”A) 2 atomi di alluminio, 3 di zolfo e 9 di ossigeno “},”n1bxr”:{“id”:”n1bxr”,”image”:””,”imageId”:””,”title”:”B) 2 atomi di alluminio, 3 di zolfo e …

{“questions”:{“59t4w”:{“id”:”59t4w”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2007 \r\n\r\n \r\nIndicare la definizione CORRETTA di molecola:\r\n“,”desc”:””,”hint”:””,”answers”:{“oju8d”:{“id”:”oju8d”,”image”:””,”imageId”:””,”title”:”A) la pi\u00f9 piccola quantit\u00e0 di una sostanza chimica che ne conserva le caratteristiche chimiche”,”isCorrect”:”1″},”oaq4g”:{“id”:”oaq4g”,”image”:””,”imageId”:””,”title”:”B) la pi\u00f9 piccola quantit\u00e0 di un …

{“questions”:{“3jb57”:{“id”:”3jb57″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 1998 \r\n\r\n \r\nI pesi atomici di H, P ed O sono rispettivamente 1, 31 e 16 u.m.a. Il peso molecolare espresso in u.m.a. dell’ acido ortofosforico \u00e8:\r\n“,”desc”:””,”hint”:””,”answers”:{“5eely”:{“id”:”5eely”,”image”:””,”imageId”:””,”title”:”A) 48″},”wfs61″:{“id”:”wfs61″,”image”:””,”imageId”:””,”title”:”B) …

{“questions”:{“q699y”:{“id”:”q699y”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 1999 \r\n\r\n \r\nIn quale dei seguenti composti il carbonio presenta un numero di ossidazione negativo?\r\n“,”desc”:””,”hint”:””,”answers”:{“pf7en”:{“id”:”pf7en”,”image”:””,”imageId”:””,”title”:”A) CO”},”dyue4″:{“id”:”dyue4″,”image”:””,”imageId”:””,”title”:”B) C2H6“,”isCorrect”:”1″},”o0fbs”:{“id”:”o0fbs”,”image”:””,”imageId”:””,”title”:”C) CCl4“},”2jvcd”:{“id”:”2jvcd”,”image”:””,”imageId”:””,”title”:”D) CHCL3“},”ljrgk”:{“id”:”ljrgk”,”image”:””,”imageId”:””,”title”:”E) C6H12O6“}}}},”results”:{“rpk42”:{“id”:”rpk42″,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nCalcoliamo il numero di ossidazione di tutti i …

{“questions”:{“ifqrl”:{“id”:”ifqrl”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nProf.san 2016\r\n\r\n \r\nLa somma algebrica dei numeri di ossidazione degli atomi di NH4+ \u00e8:\r\n“,”desc”:””,”hint”:””,”answers”:{“6niec”:{“id”:”6niec”,”image”:””,”imageId”:””,”title”:”A) +1″,”isCorrect”:”1″},”5smtg”:{“id”:”5smtg”,”image”:””,”imageId”:””,”title”:”B) +4″},”plq0i”:{“id”:”plq0i”,”image”:””,”imageId”:””,”title”:”C) \u20134″},”ev2kc”:{“id”:”ev2kc”,”image”:””,”imageId”:””,”title”:”D) \u20131″},”t9ozv”:{“id”:”t9ozv”,”image”:””,”imageId”:””,”title”:”E) 0″}}}},”results”:{“9s6bl”:{“id”:”9s6bl”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nSi tratta dello ione ammonio NH4+.\r\n\r\n \r\nVale la regola:In uno …

{“questions”:{“x4u1x”:{“id”:”x4u1x”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nProf.san 2004 \r\n\r\n \r\nIl numero di ossidazione del C in H2CO3 \u00e8 :\r\n“,”desc”:””,”hint”:””,”answers”:{“omu8v”:{“id”:”omu8v”,”image”:””,”imageId”:””,”title”:”A) – 4″},”sb0p9″:{“id”:”sb0p9″,”image”:””,”imageId”:””,”title”:”B) + 4″,”isCorrect”:”1″},”vubcc”:{“id”:”vubcc”,”image”:””,”imageId”:””,”title”:”C) + 2″},”9b1h4″:{“id”:”9b1h4″,”image”:””,”imageId”:””,”title”:”D) + 6″},”5dlrk”:{“id”:”5dlrk”,”image”:””,”imageId”:””,”title”:”E) – 2″}}}},”results”:{“mbzq2”:{“id”:”mbzq2″,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nL ‘acido carbonico H2CO3 deriva dalla …

{“questions”:{“8pnpi”:{“id”:”8pnpi”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2018\r\n\r\n \r\nQuale tra le seguenti affermazioni NON \u00e8 corretta:\r\n“,”desc”:””,”hint”:””,”answers”:{“c03i2”:{“id”:”c03i2″,”image”:””,”imageId”:””,”title”:”A) lo ione cloruro ha sempre numero di ossidazione -1″},”lt0iw”:{“id”:”lt0iw”,”image”:””,”imageId”:””,”title”:”B) l\u2019ossigeno pu\u00f2 avere numero di ossidazione -1″},”wvl4u”:{“id”:”wvl4u”,”image”:””,”imageId”:””,”title”:”C) il fluoro ha …