Archives

{“questions”:{“tvave”:{“id”:”tvave”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2016\r\n\r\n \r\nQuale tra le seguenti formule chimiche identifica lo ione carbonato?\r\n“,”desc”:””,”hint”:””,”answers”:{“znqw6”:{“id”:”znqw6″,”image”:””,”imageId”:””,”title”:”A) CO2–“},”8jkof”:{“id”:”8jkof”,”image”:””,”imageId”:””,”title”:”B) CO32-“,”isCorrect”:”1″},”87m8h”:{“id”:”87m8h”,”image”:””,”imageId”:””,”title”:”C) HCO3–“},”ueszx”:{“id”:”ueszx”,”image”:””,”imageId”:””,”title”:”D) CO32+“},”ah10u”:{“id”:”ah10u”,”image”:””,”imageId”:””,”title”:”E) HCO2–“}}}},”results”:{“upgun”:{“id”:”upgun”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nLo ione carbonato deriva, per deidrogenazione completa, dall\u2019acido carbonico H2CO3\r\n\r\n H2CO3 \u21c6 …

{“questions”:{“5w6qy”:{“id”:”5w6qy”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2016\r\n\r\n \r\nLe ammine primarie e secondarie:\r\n“,”desc”:””,”hint”:””,”answers”:{“2hy4s”:{“id”:”2hy4s”,”image”:””,”imageId”:””,”title”:”A) possono dare anidridi”},”lg527″:{“id”:”lg527″,”image”:””,”imageId”:””,”title”:”B) sono acide perch\u00e9 hanno atomi di idrogeno legati all’azoto”},”w422z”:{“id”:”w422z”,”image”:””,”imageId”:””,”title”:”C) non sono n\u00e9 acide n\u00e9 basiche perch\u00e9 il doppietto elettronico …

{“questions”:{“rgbne”:{“id”:”rgbne”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2016\r\n\r\n \r\nQuale differenza sussiste tra gli isotopi 18 e 16 dell’ossigeno?\r\n“,”desc”:””,”hint”:””,”answers”:{“skjpk”:{“id”:”skjpk”,”image”:””,”imageId”:””,”title”:”A) Il primo possiede due neutroni in pi\u00f9″,”isCorrect”:”1″},”v9qcj”:{“id”:”v9qcj”,”image”:””,”imageId”:””,”title”:”B) Il primo possiede due protoni in meno”},”pzco7″:{“id”:”pzco7″,”image”:””,”imageId”:””,”title”:”C) Il primo possiede …

{“questions”:{“ktw9v”:{“id”:”ktw9v”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2016\r\n In 500 mL di soluzione acquosa sono disciolti 36 g di glucosio (M.M. = 180 u). La molarit\u00e0 della soluzione \u00e8:\r\n“,”desc”:””,”hint”:””,”answers”:{“7bv1r”:{“id”:”7bv1r”,”image”:””,”imageId”:””,”title”:”A) 0,1 M”},”sns0g”:{“id”:”sns0g”,”image”:””,”imageId”:””,”title”:”B) 0,2 M”},”0dk7s”:{“id”:”0dk7s”,”image”:””,”imageId”:””,”title”:”C) 0,4 M …

{“questions”:{“wwt4h”:{“id”:”wwt4h”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2016\r\n\r\n \r\nQuale tra le seguenti configurazioni elettroniche esterne \u00e8 tipica degli atomi F, Cl e Br, appartenenti al gruppo degli alogeni?\r\n“,”desc”:””,”hint”:””,”answers”:{“l3drd”:{“id”:”l3drd”,”image”:””,”imageId”:””,”title”:”A) s2p4“},”tbsps”:{“id”:”tbsps”,”image”:””,”imageId”:””,”title”:”B) s2p6“},”l0j89”:{“id”:”l0j89″,”image”:””,”imageId”:””,”title”:”C) s2“},”zrw2n”:{“id”:”zrw2n”,”image”:””,”imageId”:””,”title”:”D) s2p3“},”6lz6p”:{“id”:”6lz6p”,”image”:””,”imageId”:””,”title”:”E) s2p5“,”isCorrect”:”1″}}}},”results”:{“8pcyj”:{“id”:”8pcyj”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nSi chiamano …

{“questions”:{“6j3x2”:{“id”:”6j3x2″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2016 \r\n\r\n \r\nL\u2019anione dicromato CrO42- si trasforma nel catione Cr3+e in questa trasformazione l\u2019atomo di Cr:\r\n“,”desc”:””,”hint”:””,”answers”:{“oa3g9”:{“id”:”oa3g9″,”image”:””,”imageId”:””,”title”:”A) passa da numero di ossidazione \u20132 a +3 e si riduce”},”bhgf7″:{“id”:”bhgf7″,”image”:””,”imageId”:””,”title”:”B) passa …

{“questions”:{“tlo4o”:{“id”:”tlo4o”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2016\r\n\r\n \r\nQuale legame tiene uniti l’atomo di bromo e l\u2019atomo di idrogeno nel composto HBr?\r\n“,”desc”:””,”hint”:””,”answers”:{“ebagb”:{“id”:”ebagb”,”image”:””,”imageId”:””,”title”:”A) Covalente puro”},”3klqb”:{“id”:”3klqb”,”image”:””,”imageId”:””,”title”:”B) Ionico”},”ppm3t”:{“id”:”ppm3t”,”image”:””,”imageId”:””,”title”:”C) Idrogeno “},”24grr”:{“id”:”24grr”,”image”:””,”imageId”:””,”title”:”D) Dativo”},”0669u”:{“id”:”0669u”,”image”:””,”imageId”:””,”title”:”E) Covalente polare”,”isCorrect”:”1″}}}},”results”:{“5or7c”:{“id”:”5or7c”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nLa differenza di elettronegativit\u00e0 tra …

{“questions”:{“wt48r”:{“id”:”wt48r”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nIn che cosa consiste la massa atomica relativa di un atomo?\r\n“,”desc”:””,”hint”:””,”answers”:{“h2esr”:{“id”:”h2esr”,”image”:””,”imageId”:””,”title”:”A) Nel rapporto tra la massa dell’atomo in esame e la dodicesima parte della massa dell’isotopo 12 del carbonio”,”isCorrect”:”1″},”yb9f9″:{“id”:”yb9f9″,”image”:””,”imageId”:””,”title”:”B) …

{“questions”:{“xvit2”:{“id”:”xvit2″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” Veterinaria 2016\r\n \r\nLa combustione dell’idrogeno in aria produce prevalentemente:\r\n“,”desc”:””,”hint”:””,”answers”:{“ugkdh”:{“id”:”ugkdh”,”image”:””,”imageId”:””,”title”:”A) ossidi di zolfo”},”38ufs”:{“id”:”38ufs”,”image”:””,”imageId”:””,”title”:”B) ossidi di azoto”},”v1qz1″:{“id”:”v1qz1″,”image”:””,”imageId”:””,”title”:”C) acqua “,”isCorrect”:”1″},”4kmw3″:{“id”:”4kmw3″,”image”:””,”imageId”:””,”title”:”D) ammoniaca”},”2wfkt”:{“id”:”2wfkt”,”image”:””,”imageId”:””,”title”:”E) anidride carbonica”}}}},”results”:{“7ymcz”:{“id”:”7ymcz”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” L\u2019idrogeno \u00e8 un combustibile che in presenza di ossigeno …

{“questions”:{“s19bc”:{“id”:”s19bc”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2016 \r\n\r\n \r\nIl legame ionico \u00e8 un legame:\r\n“,”desc”:””,”hint”:””,”answers”:{“hojsr”:{“id”:”hojsr”,”image”:””,”imageId”:””,”title”:”A) che si instaura tra atomi metallici”},”hztiv”:{“id”:”hztiv”,”image”:””,”imageId”:””,”title”:”B) di natura elettrostatica che si instaura tra ioni di segno opposto “,”isCorrect”:”1″},”b5bk6″:{“id”:”b5bk6″,”image”:””,”imageId”:””,”title”:”C) apolare”},”21ptf”:{“id”:”21ptf”,”image”:””,”imageId”:””,”title”:”D) in …