Archives

{“questions”:{“a2s1n”:{“id”:”a2s1n”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2008\r\n\r\n \r\nUn certo elemento forma un ossido, che quando \u00e8 sciolto in acqua forma una soluzione acida. Quale, tra le seguenti \u00e8 la deduzione pi\u00f9 ragionevole? \r\nE’ un:\r\n“,”desc”:””,”hint”:””,”answers”:{“xpzk7”:{“id”:”xpzk7″,”image”:””,”imageId”:””,”title”:”A) …

{“questions”:{“gihv4”:{“id”:”gihv4″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2007 \r\n\r\n \r\nL’energia cinetica media delle molecole di un gas a comportamento praticamente ideale dipende:\r\n“,”desc”:””,”hint”:””,”answers”:{“byiun”:{“id”:”byiun”,”image”:””,”imageId”:””,”title”:”A) dalla massa molecolare del gas”},”guzlo”:{“id”:”guzlo”,”image”:””,”imageId”:””,”title”:”B) dalla temperatura”,”isCorrect”:”1″},”hywuj”:{“id”:”hywuj”,”image”:””,”imageId”:””,”title”:”C) dalla pressione esercitata dal gas”},”m3x5c”:{“id”:”m3x5c”,”image”:””,”imageId”:””,”title”:”D) dal …

{“questions”:{“hlttu”:{“id”:”hlttu”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2007 \r\n\r\n \r\nLa formula H2SO3, secondo la nomenclatura tradizionale corrisponde a:\r\n“,”desc”:””,”hint”:””,”answers”:{“lvajq”:{“id”:”lvajq”,”image”:””,”imageId”:””,”title”:”A) l’acido ortosolforico “},”91xxc”:{“id”:”91xxc”,”image”:””,”imageId”:””,”title”:”B) l’acido solfidrico”},”o9ar1″:{“id”:”o9ar1″,”image”:””,”imageId”:””,”title”:”C) l’acido solforico”},”8uti1″:{“id”:”8uti1″,”image”:””,”imageId”:””,”title”:”D) l’acido solforoso”,”isCorrect”:”1″},”rban4″:{“id”:”rban4″,”image”:””,”imageId”:””,”title”:”E) l’acido metasolforico”}}}},”results”:{“n7eto”:{“id”:”n7eto”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nUna formula chimica nella quale compaiono …

{“questions”:{“gezuf”:{“id”:”gezuf”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2006\r\n\r\n \r\nCosa sono le anidridi?\r\n“,”desc”:””,”hint”:””,”answers”:{“u2p5v”:{“id”:”u2p5v”,”image”:””,”imageId”:””,”title”:”A) Composti binari formati da un non metallo con ossigeno”,”isCorrect”:”1″},”vpst7″:{“id”:”vpst7″,”image”:””,”imageId”:””,”title”:”B) Composti binari formati da uno ione metallico e dall\u2019anione OH”},”zf536″:{“id”:”zf536″,”image”:””,”imageId”:””,”title”:”C) Composti binari formati da …

{“questions”:{“s41vs”:{“id”:”s41vs”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2006 \r\n\r\n \r\nIl nitrito ferrico si ottiene dalla reazione tra:\r\n“,”desc”:””,”hint”:””,”answers”:{“vtno8”:{“id”:”vtno8″,”image”:””,”imageId”:””,”title”:”A) acido nitroso + ossido ferroso”},”cak69″:{“id”:”cak69″,”image”:””,”imageId”:””,”title”:”B) acido nitrico + idrossido ferroso”},”9lg1f”:{“id”:”9lg1f”,”image”:””,”imageId”:””,”title”:”C) acido nitrico + idrossido ferrico”},”lscw8″:{“id”:”lscw8″,”image”:””,”imageId”:””,”title”:”D) acido nitroso + …

{“questions”:{“seu0b”:{“id”:”seu0b”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2006 \r\n\r\n \r\nDa cosa derivano gli idruri?\r\n“,”desc”:””,”hint”:””,”answers”:{“poj7s”:{“id”:”poj7s”,”image”:””,”imageId”:””,”title”:”A) Dalla combinazione di idrogeno con un metallo pi\u00f9 elettronegativo dell\u2019idrogeno stesso”},”ccdkd”:{“id”:”ccdkd”,”image”:””,”imageId”:””,”title”:”B) Dalla combinazione di idrogeno con un non metallo elettronegativo quanto …

{“questions”:{“yi2ar”:{“id”:”yi2ar”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2005\r\n\r\n \r\nTutti gli idracidi sono acidi che non contengono ossigeno e sono formati da idrogeno combinato con:\r\n“,”desc”:””,”hint”:””,”answers”:{“30e3d”:{“id”:”30e3d”,”image”:””,”imageId”:””,”title”:”A) un elemento dei primi due gruppi”},”nt4mc”:{“id”:”nt4mc”,”image”:””,”imageId”:””,”title”:”B) uno o pi\u00f9 non metalli”,”isCorrect”:”1″},”if25j”:{“id”:”if25j”,”image”:””,”imageId”:””,”title”:”C) …

{“questions”:{“yj5hg”:{“id”:”yj5hg”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2005 \r\n\r\n \r\nL’acqua ossigenata \u00e8:\r\n“,”desc”:””,”hint”:””,”answers”:{“tjm9x”:{“id”:”tjm9x”,”image”:””,”imageId”:””,”title”:”A) un composto diverso dall’acqua”,”isCorrect”:”1″},”rryiv”:{“id”:”rryiv”,”image”:””,”imageId”:””,”title”:”B) una forma isotopica dell’acqua”},”33tgm”:{“id”:”33tgm”,”image”:””,”imageId”:””,”title”:”C) una forma allotropica dell’acqua”},”a7upj”:{“id”:”a7upj”,”image”:””,”imageId”:””,”title”:”D) una soluzione di ossigeno in acqua”},”ldfnm”:{“id”:”ldfnm”,”image”:””,”imageId”:””,”title”:”E) una forma reattiva dell\u2019acqua”}}}},”results”:{“vv95l”:{“id”:”vv95l”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nIl …

{“questions”:{“awc5d”:{“id”:”awc5d”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2005\r\n\r\n \r\nSe l’ossido di potassio reagisce con l’acqua si forma:\r\n“,”desc”:””,”hint”:””,”answers”:{“7hmmt”:{“id”:”7hmmt”,”image”:””,”imageId”:””,”title”:”A) una soluzione eterogenea”},”f5sdf”:{“id”:”f5sdf”,”image”:””,”imageId”:””,”title”:”B) un sale”},”76y5b”:{“id”:”76y5b”,”image”:””,”imageId”:””,”title”:”C) una soluzione acida”},”2v78h”:{“id”:”2v78h”,”image”:””,”imageId”:””,”title”:”D) potassio libero e acqua ossigenata”},”zmdnd”:{“id”:”zmdnd”,”image”:””,”imageId”:””,”title”:”E) una soluzione basica”,”isCorrect”:”1″}}}},”results”:{“ov4f4”:{“id”:”ov4f4″,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\n \r\n …

{“questions”:{“6emcs”:{“id”:”6emcs”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2005 \r\n\r\n \r\nIndicare la formula dell’acido ortofosforico:\r\n“,”desc”:””,”hint”:””,”answers”:{“w3vr6”:{“id”:”w3vr6″,”image”:””,”imageId”:””,”title”:”A) H3PO4“,”isCorrect”:”1″},”dzjxr”:{“id”:”dzjxr”,”image”:””,”imageId”:””,”title”:”B) H2PO3“},”5c3wd”:{“id”:”5c3wd”,”image”:””,”imageId”:””,”title”:”C) H2PO4“},”01tu5”:{“id”:”01tu5″,”image”:””,”imageId”:””,”title”:”D) H3PO3“},”b5h0q”:{“id”:”b5h0q”,”image”:””,”imageId”:””,”title”:”E) H4PO4“}}}},”results”:{“uqrot”:{“id”:”uqrot”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nIn generale per ottenere un ossiacido facciamo reagire una anidride con una molecola d\u2019acqua. In alcuni …