Archives

{“questions”:{“58xhz”:{“id”:”58xhz”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2013 \r\n\r\n \r\nIl fosforo (Gruppo 15) e il cloro (Gruppo 17) reagiscono per formare il composto PCl3 .\r\nIn una molecola di PCl3 quanti doppietti elettronici non condivisi (NC) …

{“questions”:{“vkazt”:{“id”:”vkazt”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2013\r\n\r\n \r\nQual \u00e8 il numero minimo di atomi di idrogeno necessario per costituire una molecola di fosfato d\u2019ammonio?\r\n“,”desc”:””,”hint”:””,”answers”:{“v6dt3”:{“id”:”v6dt3″,”image”:””,”imageId”:””,”title”:”A) 12″,”isCorrect”:”1″},”tzikg”:{“id”:”tzikg”,”image”:””,”imageId”:””,”title”:”B) 4″},”q47xz”:{“id”:”q47xz”,”image”:””,”imageId”:””,”title”:”C) 8″},”bw0g1″:{“id”:”bw0g1″,”image”:””,”imageId”:””,”title”:”D) 9″},”kn3mp”:{“id”:”kn3mp”,”image”:””,”imageId”:””,”title”:”E) 6″}}}},”results”:{“jn7x6”:{“id”:”jn7x6″,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nIl fosfato di ammonio \u00e8 …

{“questions”:{“sla8x”:{“id”:”sla8x”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2012 \r\n\r\n \r\nIndicare la formula corretta dello ione clorato:\r\n“,”desc”:””,”hint”:””,”answers”:{“int1s”:{“id”:”int1s”,”image”:””,”imageId”:””,”title”:”A) ClO\u2212″},”x8ebo”:{“id”:”x8ebo”,”image”:””,”imageId”:””,”title”:”B) ClO2–“},”yzrk5”:{“id”:”yzrk5″,”image”:””,”imageId”:””,”title”:”C) Cl–“},”gicsy”:{“id”:”gicsy”,”image”:””,”imageId”:””,”title”:”D) ClO4–“},”fq8hg”:{“id”:”fq8hg”,”image”:””,”imageId”:””,”title”:”E) ClO3–“,”isCorrect”:”1″}}}},”results”:{“k0utm”:{“id”:”k0utm”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nIl cloro Cl appartiene al settimo gruppo detto degli alogeni; pu\u00f2 avere vari numeri …

{“questions”:{“cblp0”:{“id”:”cblp0″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2012 \r\n\r\n \r\nQuale tra le seguenti formule chimiche NON \u00e8 corretta?\r\n“,”desc”:””,”hint”:””,”answers”:{“t69v7”:{“id”:”t69v7″,”image”:””,”imageId”:””,”title”:”A) LiS”,”isCorrect”:”1″},”5fmag”:{“id”:”5fmag”,”image”:””,”imageId”:””,”title”:”B) CaCl2“},”6pjxn”:{“id”:”6pjxn”,”image”:””,”imageId”:””,”title”:”C) Al2O3“},”sp10g”:{“id”:”sp10g”,”image”:””,”imageId”:””,”title”:”D) CO”},”elrij”:{“id”:”elrij”,”image”:””,”imageId”:””,”title”:”E) KNO2“}}}},”results”:{“4t6sa”:{“id”:”4t6sa”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nPrima di valutare la validit\u00e0 delle formule chimiche proposte ricordiamo che:\r\n\r\n\r\n \r\nIl …

{“questions”:{“93oao”:{“id”:”93oao”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2012 \r\n\r\n \r\nLa formula bruta del bicarbonato di potassio \u00e8:\r\n“,”desc”:””,”hint”:””,”answers”:{“uwffk”:{“id”:”uwffk”,”image”:””,”imageId”:””,”title”:”A) KCO3“},”w03mm”:{“id”:”w03mm”,”image”:””,”imageId”:””,”title”:”B) KHCO4“},”pbycq”:{“id”:”pbycq”,”image”:””,”imageId”:””,”title”:”C) KHSO3“},”6njt6”:{“id”:”6njt6″,”image”:””,”imageId”:””,”title”:”D) KHCO3“,”isCorrect”:”1″},”dkhso”:{“id”:”dkhso”,”image”:””,”imageId”:””,”title”:”E) K2CO3“}}}},”results”:{“oqbqs”:{“id”:”oqbqs”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nSi tratta di un sale basico costituito dal catione potessio K+ e dall’anione …

{“questions”:{“kbn14”:{“id”:”kbn14″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2012 \r\n\r\n \r\nQuanti atomi di ossigeno sono presenti in una molecola di fosfato calcico?\r\n“,”desc”:””,”hint”:””,”answers”:{“cwgom”:{“id”:”cwgom”,”image”:””,”imageId”:””,”title”:”A) 9″},”5csaz”:{“id”:”5csaz”,”image”:””,”imageId”:””,”title”:”B) 10″},”rgm2k”:{“id”:”rgm2k”,”image”:””,”imageId”:””,”title”:”C) 8″,”isCorrect”:”1″},”6f2l3″:{“id”:”6f2l3″,”image”:””,”imageId”:””,”title”:”D) 12″},”lsjs7″:{“id”:”lsjs7″,”image”:””,”imageId”:””,”title”:”E) 6″}}}},”results”:{“hwvhz”:{“id”:”hwvhz”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nIl fosfato di calcio (o fosfato calcico) \u00e8 un …

{“questions”:{“c0fvp”:{“id”:”c0fvp”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2012 \r\n\r\n \r\nUna molecola di acqua ed una molecola di anidride carbonica danno origine a:\r\n“,”desc”:””,”hint”:””,”answers”:{“v64zo”:{“id”:”v64zo”,”image”:””,”imageId”:””,”title”:”A) idrossido di carbonio”},”adzyl”:{“id”:”adzyl”,”image”:””,”imageId”:””,”title”:”B) ossido di carbonio”},”a4wrp”:{“id”:”a4wrp”,”image”:””,”imageId”:””,”title”:”C) acido carbonico”,”isCorrect”:”1″},”va0ae”:{“id”:”va0ae”,”image”:””,”imageId”:””,”title”:”D) acetaldeide”},”q006q”:{“id”:”q006q”,”image”:””,”imageId”:””,”title”:”E) acido formico”}}}},”results”:{“tl1cu”:{“id”:”tl1cu”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nUna anidride …

{“questions”:{“873ji”:{“id”:”873ji”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2012 \r\n\r\n \r\nQuale \u00e8 la formula bruta del solfito d\u2019ammonio?\r\n“,”desc”:””,”hint”:””,”answers”:{“xk5ej”:{“id”:”xk5ej”,”image”:””,”imageId”:””,”title”:”A) (NH3)2SO4“},”2xcnd”:{“id”:”2xcnd”,”image”:””,”imageId”:””,”title”:”B) (NH4)2SO3“,”isCorrect”:”1″},”lwkg1″:{“id”:”lwkg1″,”image”:””,”imageId”:””,”title”:”C) NH3SO4“},”v7l9h”:{“id”:”v7l9h”,”image”:””,”imageId”:””,”title”:”D) NH3SO3“},”hwg8h”:{“id”:”hwg8h”,”image”:””,”imageId”:””,”title”:”E) (NH)4SO4“}}}},”results”:{“859rk”:{“id”:”859rk”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nIl solfito di ammonio \u00e8 un sale composto dal catione ammonio NH4+ e …

{“questions”:{“cyuhq”:{“id”:”cyuhq”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2012 \r\n\r\n \r\nQuanti atomi di magnesio, fosforo, ossigeno sono presenti nel fosfato di magnesio?\r\n“,”desc”:””,”hint”:””,”answers”:{“s2h34”:{“id”:”s2h34″,”image”:””,”imageId”:””,”title”:”A) 3: 2: 6″},”n9206″:{“id”:”n9206″,”image”:””,”imageId”:””,”title”:”B) 1: 1: 3″},”0vgc4″:{“id”:”0vgc4″,”image”:””,”imageId”:””,”title”:”C) 3: 1: 4″},”0a3l2″:{“id”:”0a3l2″,”image”:””,”imageId”:””,”title”:”D) 3: 1: 8″},”2x67r”:{“id”:”2x67r”,”image”:””,”imageId”:””,”title”:”E) 3: 2: …

{“questions”:{“lv827”:{“id”:”lv827″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2012 \r\n\r\n \r\nQuanti atomi di idrogeno sono presenti in una molecola di solfato d\u2019ammonio?\r\n“,”desc”:””,”hint”:””,”answers”:{“eorru”:{“id”:”eorru”,”image”:””,”imageId”:””,”title”:”A) 8″,”isCorrect”:”1″},”j26i5″:{“id”:”j26i5″,”image”:””,”imageId”:””,”title”:”B) 10″},”807hl”:{“id”:”807hl”,”image”:””,”imageId”:””,”title”:”C) 9″},”nglob”:{“id”:”nglob”,”image”:””,”imageId”:””,”title”:”D) 12″},”ci4vy”:{“id”:”ci4vy”,”image”:””,”imageId”:””,”title”:”E) 6″}}}},”results”:{“klupo”:{“id”:”klupo”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nIl solfato di ammonio \u00e8 un sale composto dal …