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{“questions”:{“1rcqy”:{“id”:”1rcqy”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2004 \r\n\r\n \r\n\u201cI composti inorganici costituiti da due soli elementi (composti binari) vengono in genere denominati utilizzando la radice dal secondo elemento della formula, seguita dalla congiunzione \u201cdi\u201d, …

{“questions”:{“t5akb”:{“id”:”t5akb”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2003 \r\n\r\n \r\nSe un atomo di idrogeno acquista un elettrone, si forma uno ione:\r\n“,”desc”:””,”hint”:””,”answers”:{“3wdo9”:{“id”:”3wdo9″,”image”:””,”imageId”:””,”title”:”A) idruro”,”isCorrect”:”1″},”rod4h”:{“id”:”rod4h”,”image”:””,”imageId”:””,”title”:”B) idrossonio”},”wfe0o”:{“id”:”wfe0o”,”image”:””,”imageId”:””,”title”:”C) idronio”},”wdbbp”:{“id”:”wdbbp”,”image”:””,”imageId”:””,”title”:”D) idrogenuro”},”n8khj”:{“id”:”n8khj”,”image”:””,”imageId”:””,”title”:”E) idrogenato”}}}},”results”:{“r8c1t”:{“id”:”r8c1t”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nSiamo abituati a considerare sempre l’idrogeno nella formazione di …

{“questions”:{“evje1”:{“id”:”evje1″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2002 \r\n\r\n \r\nL\u2019ozono: \r\n“,”desc”:””,”hint”:””,”answers”:{“3v2gv”:{“id”:”3v2gv”,”image”:””,”imageId”:””,”title”:”A) \u00e8 costituito da molecole monoatomiche “},”tcob7”:{“id”:”tcob7″,”image”:””,”imageId”:””,”title”:”B) \u00e8 un isotopo dell\u2019ossigeno “},”l8op3”:{“id”:”l8op3″,”image”:””,”imageId”:””,”title”:”C) \u00e8 costituito da molecole pi\u00f9 leggere rispetto a quelle del diossigeno “},”8j2uc”:{“id”:”8j2uc”,”image”:””,”imageId”:””,”title”:”D) \u00e8 …

{“questions”:{“f8mms”:{“id”:”f8mms”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2002 \r\n\r\n \r\nL\u2019ossido di potassio, reagendo con l\u2019acqua, forma: \r\n“,”desc”:””,”hint”:””,”answers”:{“8zn2k”:{“id”:”8zn2k”,”image”:””,”imageId”:””,”title”:”A) un sale “},”0air9”:{“id”:”0air9″,”image”:””,”imageId”:””,”title”:”B) una soluzione basica “,”isCorrect”:”1″},”o74mh”:{“id”:”o74mh”,”image”:””,”imageId”:””,”title”:”C) una soluzione acida “},”fpnyg”:{“id”:”fpnyg”,”image”:””,”imageId”:””,”title”:”D) potassio libero “},”06b1g”:{“id”:”06b1g”,”image”:””,”imageId”:””,”title”:”E) la reazione non avviene …

{“questions”:{“s8x49”:{“id”:”s8x49″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2001 \r\n\r\n \r\nL’ozono\r\n“,”desc”:””,”hint”:””,”answers”:{“w7uao”:{“id”:”w7uao”,”image”:””,”imageId”:””,”title”:”A) \u00e8 costituito da molecole monoatomiche”},”6b2zw”:{“id”:”6b2zw”,”image”:””,”imageId”:””,”title”:”B) \u00e8 un riducente assai energico”},”troep”:{“id”:”troep”,”image”:””,”imageId”:””,”title”:”C) \u00e8 una forma allotropica dell’elemento ossigeno”,”isCorrect”:”1″},”gljq6″:{“id”:”gljq6″,”image”:””,”imageId”:””,”title”:”D) \u00e8 costituito da molecole biatomiche”},”j5qu1″:{“id”:”j5qu1″,”image”:””,”imageId”:””,”title”:”E) \u00e8 un isotopo dell’elemento …

{“questions”:{“3n6ic”:{“id”:”3n6ic”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2000 \r\n\r\n \r\nIl platino si trova, nei suoi minerali, costantemente associato al rutenio, al rodio, al palladio, all’osmio e all’iridio, elementi questi che presentano tutti notevoli affinit\u00e0 con …

{“questions”:{“w6v2u”:{“id”:”w6v2u”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2000 \r\n\r\n \r\nSe un atomo di idrogeno acquista un elettrone, si forma uno ione:\r\n“,”desc”:””,”hint”:””,”answers”:{“oxppe”:{“id”:”oxppe”,”image”:””,”imageId”:””,”title”:”A) idronio”},”35dfd”:{“id”:”35dfd”,”image”:””,”imageId”:””,”title”:”B) idrogenito”},”j2k35″:{“id”:”j2k35″,”image”:””,”imageId”:””,”title”:”C) idrogeno”},”vxbmp”:{“id”:”vxbmp”,”image”:””,”imageId”:””,”title”:”D) idrogenuro”},”4tulk”:{“id”:”4tulk”,”image”:””,”imageId”:””,”title”:”E) idruro “,”isCorrect”:”1″}}}},”results”:{“pcequ”:{“id”:”pcequ”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nSiamo abituati a considerare sempre l’idrogeno nella formazione …

{“questions”:{“ivx6s”:{“id”:”ivx6s”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2000\r\n\r\n \r\nLa reazione tra acido fosforico e idrossido di potassio produce:\r\n“,”desc”:””,”hint”:””,”answers”:{“un44r”:{“id”:”un44r”,”image”:””,”imageId”:””,”title”:”A) fosfato di potassio e idrogeno”},”baojo”:{“id”:”baojo”,”image”:””,”imageId”:””,”title”:”B) fosfato di potassio e acqua”,”isCorrect”:”1″},”bvupw”:{“id”:”bvupw”,”image”:””,”imageId”:””,”title”:”C) ossido di potassio e anidride fosforica”},”zvkw1″:{“id”:”zvkw1″,”image”:””,”imageId”:””,”title”:”D) fosfina …

{“questions”:{“5oddp”:{“id”:”5oddp”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2000\r\n\r\n \r\nIl nome ufficiale del composto P2O5 \u00e8:\r\n“,”desc”:””,”hint”:””,”answers”:{“oi46m”:{“id”:”oi46m”,”image”:””,”imageId”:””,”title”:”A) diossido di pentafosforo”},”pld9t”:{“id”:”pld9t”,”image”:””,”imageId”:””,”title”:”B) sesquiossido di fosforo”},”2gf6g”:{“id”:”2gf6g”,”image”:””,”imageId”:””,”title”:”C) anidride fosforosa”},”jhc83″:{“id”:”jhc83″,”image”:””,”imageId”:””,”title”:”D) ossido di fosforo”},”phg4w”:{“id”:”phg4w”,”image”:””,”imageId”:””,”title”:”E) pentossido di difosforo”,”isCorrect”:”1″}}}},”results”:{“e8ten”:{“id”:”e8ten”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nP2O5 \u00e8 un composto formato dal …

{“questions”:{“uh9r7”:{“id”:”uh9r7″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\n\r\n\r\n \r\nUNA sola delle seguenti affermazioni a proposito dello ione ammonio \u00e8 SCORRETTA. Quale?\r\n“,”desc”:””,”hint”:””,”answers”:{“ykixt”:{“id”:”ykixt”,”image”:””,”imageId”:””,”title”:”A) \u00c8 un acido”},”fiatx”:{“id”:”fiatx”,”image”:””,”imageId”:””,”title”:”B) \u00c8 carico positivamente”},”odob1″:{“id”:”odob1″,”image”:””,”imageId”:””,”title”:”C) Ha struttura tetraedrica”},”4t0sx”:{“id”:”4t0sx”,”image”:””,”imageId”:””,”title”:”D) \u00c8 formato da quattro atomi”,”isCorrect”:”1″},”cksgd”:{“id”:”cksgd”,”image”:””,”imageId”:””,”title”:”E) Non …