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{“questions”:{“d3erx”:{“id”:”d3erx”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2011\r\n\r\n \r\nQuanti atomi di idrogeno sono presenti in una mole di acqua?\r\n“,”desc”:””,”hint”:””,”answers”:{“3q8cn”:{“id”:”3q8cn”,”image”:””,”imageId”:””,”title”:”A) 2 \u00d7 105“},”dhhre”:{“id”:”dhhre”,”image”:””,”imageId”:””,”title”:”B) 2,12 \u00d7 10\u201215“},”kfhw1”:{“id”:”kfhw1″,”image”:””,”imageId”:””,”title”:”C) 1,204 \u00d7 1024“,”isCorrect”:”1″},”0gprk”:{“id”:”0gprk”,”image”:””,”imageId”:””,”title”:”D) 6,02 \u00d7 1023“},”q6gpj”:{“id”:”q6gpj”,”image”:””,”imageId”:””,”title”:”E) 1,1 \u00d7 1015“}}}},”results”:{“049tw”:{“id”:”049tw”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nLa …

{“questions”:{“tobg9”:{“id”:”tobg9″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2009\r\n\r\n \r\nIndica quale delle seguenti sostanze ha il peso molecolare minore:\r\n“,”desc”:””,”hint”:””,”answers”:{“tve1x”:{“id”:”tve1x”,”image”:””,”imageId”:””,”title”:”A) acqua”,”isCorrect”:”1″},”sh5hd”:{“id”:”sh5hd”,”image”:””,”imageId”:””,”title”:”B) azoto”},”yxja5″:{“id”:”yxja5″,”image”:””,”imageId”:””,”title”:”C) monossido di carbonio”},”wm600″:{“id”:”wm600″,”image”:””,”imageId”:””,”title”:”D) ossigeno”},”4vgz6″:{“id”:”4vgz6″,”image”:””,”imageId”:””,”title”:”E) anidride carbonica”}}}},”results”:{“xkz4p”:{“id”:”xkz4p”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nIl peso molecolare PM\u00a0 si determina sommando il peso …

{“questions”:{“40rlj”:{“id”:”40rlj”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2007\r\n\r\n \r\nLa massa molecolare dell’acqua \u00e8 pari a 18 u.m.a. Perci\u00f2 in 1 litro d’acqua sono contenute:\r\n“,”desc”:””,”hint”:””,”answers”:{“y5r03”:{“id”:”y5r03″,”image”:””,”imageId”:””,”title”:”A) 1,8 10\u20133 mol di acqua”},”fgtq5″:{“id”:”fgtq5″,”image”:””,”imageId”:””,”title”:”B) 1,8 103 mol di acqua”},”tzg7i”:{“id”:”tzg7i”,”image”:””,”imageId”:””,”title”:”C) 100 …

{“questions”:{“vjga0”:{“id”:”vjga0″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2005\r\n\r\n \r\nIl peso molecolare del glucosio C6H12O6 \u00e8 180 u.m.a. Quante molecole sono presenti in 18 g di glucosio?“,”desc”:””,”hint”:””,”answers”:{“qm80r”:{“id”:”qm80r”,”image”:””,”imageId”:””,”title”:”A) 6,02×1022“,”isCorrect”:”1″},”16lli”:{“id”:”16lli”,”image”:””,”imageId”:””,”title”:”B) 6,02×1023“},”kifec”:{“id”:”kifec”,”image”:””,”imageId”:””,”title”:”C) 342″},”8l55u”:{“id”:”8l55u”,”image”:””,”imageId”:””,”title”:”E) 3,42×1010“},”smlil”:{“id”:”smlil”,”image”:””,”imageId”:””,”title”:”E) 3420″}}}},”results”:{“fn2f0”:{“id”:”fn2f0″,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nIl quiz fornisce il …

{“questions”:{“om64q”:{“id”:”om64q”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2004\r\n\r\n \r\nUna molecola di ossigeno (massa atomica 16 uma) pesa:\r\n“,”desc”:””,”hint”:””,”answers”:{“2mq29”:{“id”:”2mq29″,”image”:””,”imageId”:””,”title”:”A) 16 uma”},”gt9c2″:{“id”:”gt9c2″,”image”:””,”imageId”:””,”title”:”B) 2 \u00b716 uma”,”isCorrect”:”1″},”ikhcg”:{“id”:”ikhcg”,”image”:””,”imageId”:””,”title”:”C) 16g”},”5tbzz”:{“id”:”5tbzz”,”image”:””,”imageId”:””,”title”:”D) 16 \u00b7 6,02 \u00b7 1023 uma”},”5ou2v”:{“id”:”5ou2v”,”image”:””,”imageId”:””,”title”:”E) 2 \u00b7 16 g”}}}},”results”:{“01uyr”:{“id”:”01uyr”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nIl quiz …

{“questions”:{“ku2kt”:{“id”:”ku2kt”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 1999\r\n\r\n \r\nIl peso molecolare del saccarosio C12H22O11 \u00e8 342 u.m.a.; ci\u00f2 implica che in 34,2 g di questa sostanza le molecole sono circa:“,”desc”:””,”hint”:””,”answers”:{“46z7r”:{“id”:”46z7r”,”image”:””,”imageId”:””,”title”:”A) 342″},”lxygc”:{“id”:”lxygc”,”image”:””,”imageId”:””,”title”:”B) 34,2 miliardi”},”cvadc”:{“id”:”cvadc”,”image”:””,”imageId”:””,”title”:”C) 3420″},”5w1xc”:{“id”:”5w1xc”,”image”:””,”imageId”:””,”title”:”D) sessantamila …

{“questions”:{“dbvd6”:{“id”:”dbvd6″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 1999\r\n\r\n \r\nQuanti grammi pesano 11,2 litri di CH4 a condizioni standard?\r\n“,”desc”:””,”hint”:””,”answers”:{“5n0vd”:{“id”:”5n0vd”,”image”:””,”imageId”:””,”title”:”A) 8″,”isCorrect”:”1″},”f14mx”:{“id”:”f14mx”,”image”:””,”imageId”:””,”title”:”B) 4″},”0enz0″:{“id”:”0enz0″,”image”:””,”imageId”:””,”title”:”C) 16″},”nlmcl”:{“id”:”nlmcl”,”image”:””,”imageId”:””,”title”:”D) 10″},”zlc5j”:{“id”:”zlc5j”,”image”:””,”imageId”:””,”title”:”E) 11″}}}},”results”:{“b2ar7”:{“id”:”b2ar7″,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nFornire un volume di gas in condizioni standard (t=0\u00b0C e P=1 atm) …

{“questions”:{“066wm”:{“id”:”066wm”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 1998\r\n\r\n \r\nL’acido solforico ha peso molecolare 98 u.m.a. A quanti grammi corrispondono cinque moli di questa sostanza?“,”desc”:””,”hint”:””,”answers”:{“ibtb3”:{“id”:”ibtb3″,”image”:””,”imageId”:””,”title”:”A) 35″},”7sah0″:{“id”:”7sah0″,”image”:””,”imageId”:””,”title”:”B) 490″,”isCorrect”:”1″},”rnoha”:{“id”:”rnoha”,”image”:””,”imageId”:””,”title”:”C) 19,6″},”mlsrb”:{“id”:”mlsrb”,”image”:””,”imageId”:””,”title”:”D) 98″},”x27uh”:{“id”:”x27uh”,”image”:””,”imageId”:””,”title”:”E) 5 \u00b7 6,023 \u00b7 1023\u00a0 \u00a0 \u00a0″}}}},”results”:{“gi4q1”:{“id”:”gi4q1″,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” …

{“questions”:{“qzphx”:{“id”:”qzphx”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2012\r\n\r\n \r\nQual \u00e8 la massa corrispondente a 6,02 \u00d7 1023 atomi di elio (massa molare 4,003 g\/mol)?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“pigdp”:{“id”:”pigdp”,”image”:””,”imageId”:””,”title”:”1) 1,00 g”},”wlm34″:{“id”:”wlm34″,”image”:””,”imageId”:””,”title”:”B) 24,1 \u00d7 1023 g”},”t6ujx”:{“id”:”t6ujx”,”image”:””,”imageId”:””,”title”:”C) 1,5 \u00d7 1023 g”},”8olt9″:{“id”:”8olt9″,”image”:””,”imageId”:””,”title”:”D) 0,665 …

{“questions”:{“bj1pt”:{“id”:”bj1pt”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2014\r\n\r\n \r\nL’elemento idrogeno ha tre diversi isotopi: 1H, 2H e 3H. Il numero atomico dell’idrogeno \u00e8 1.\r\n\r\n \r\nConsiderando un singolo atomo per ciascun isotopo, quale delle seguenti affermazioni …