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{“questions”:{“mu5yr”:{“id”:”mu5yr”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2008\r\n\r\n \r\nQual \u00e8 il volume di NaOH 0,2M necessario per portare a pH=7 un volume di 50 ml di una soluzione 0,1M di HCl:\r\n“,”desc”:””,”hint”:””,”answers”:{“shwqr”:{“id”:”shwqr”,”image”:””,”imageId”:””,”title”:”A) 100 ml”},”ig3pm”:{“id”:”ig3pm”,”image”:””,”imageId”:””,”title”:”B) 25 ml”,”isCorrect”:”1″},”c837g”:{“id”:”c837g”,”image”:””,”imageId”:””,”title”:”C) …

{“questions”:{“pj5ca”:{“id”:”pj5ca”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2004\r\n\r\n \r\nQuante moli di HCl sono presenti in 100 litri di soluzione acquosa di tale sostanza a pH = 5 ?\r\n“,”desc”:””,”hint”:””,”answers”:{“5jn8c”:{“id”:”5jn8c”,”image”:””,”imageId”:””,”title”:”A) 100″},”sgpkc”:{“id”:”sgpkc”,”image”:””,”imageId”:””,”title”:”B) 0,005″},”7gk9n”:{“id”:”7gk9n”,”image”:””,”imageId”:””,”title”:”C) 0,00001″},”iem1r”:{“id”:”iem1r”,”image”:””,”imageId”:””,”title”:”D) 0,000001″},”2r9ru”:{“id”:”2r9ru”,”image”:””,”imageId”:””,”title”:”E) 0,001″,”isCorrect”:”1″}}}}}

{“questions”:{“svosz”:{“id”:”svosz”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nProf.san. 2016\r\n\r\n \r\nSe la soluzione acquosa 0,1 M di una sostanza ha un pH uguale 4,5, la sostanza in soluzione \u00e8:\r\n“,”desc”:””,”hint”:””,”answers”:{“o0qhx”:{“id”:”o0qhx”,”image”:””,”imageId”:””,”title”:”A) una sostanza neutra”},”lwf3h”:{“id”:”lwf3h”,”image”:””,”imageId”:””,”title”:”B) acido cloridrico”},”gr9kw”:{“id”:”gr9kw”,”image”:””,”imageId”:””,”title”:”C) una base di …

{“questions”:{“1rbid”:{“id”:”1rbid”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2003\r\n\r\n \r\nL\u2019acido nitrico \u00e8 forte, l\u2019acido nitroso \u00e8 debole; il pH di una soluzione acquosa di acido nitroso risulter\u00e0 sicuramente maggiore di quello di una soluzione acquosa di …

{“questions”:{“7jx01”:{“id”:”7jx01″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2003\r\n\r\n \r\nUna soluzione di acido formico 0,1 M (Ka = 4,8×10\u20135) \u00e8: “,”desc”:””,”hint”:””,”answers”:{“6vu3t”:{“id”:”6vu3t”,”image”:””,”imageId”:””,”title”:”A) neutra “},”102ip”:{“id”:”102ip”,”image”:””,”imageId”:””,”title”:”B) meno acida di una soluzione 0,1 M di acido cloridrico “,”isCorrect”:”1″},”uncaq”:{“id”:”uncaq”,”image”:””,”imageId”:””,”title”:”C) basica “},”2fc52”:{“id”:”2fc52″,”image”:””,”imageId”:””,”title”:”D) …

{“questions”:{“s939i”:{“id”:”s939i”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2002\r\n\r\n \r\nLa soluzione di un acido forte: \r\n“,”desc”:””,”hint”:””,”answers”:{“csopp”:{“id”:”csopp”,”image”:””,”imageId”:””,”title”:”A) ha pH maggiore di pOH “},”as8ru”:{“id”:”as8ru”,”image”:””,”imageId”:””,”title”:”B) ha pOH minore di quello di una soluzione di un acido debole ad uguale …

{“questions”:{“v05j7”:{“id”:”v05j7″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2001\r\n\r\n \r\nUna soluzione acquosa 0,0001 M di un acido debole presenta una concentrazione di ioni idronio\r\n“,”desc”:””,”hint”:””,”answers”:{“v5oi2”:{“id”:”v5oi2″,”image”:””,”imageId”:””,”title”:”A) 10\u20133 M”},”vcp25″:{“id”:”vcp25″,”image”:””,”imageId”:””,”title”:”B) 10\u20134 M”},”zp3vn”:{“id”:”zp3vn”,”image”:””,”imageId”:””,”title”:”C) minore di 10\u20134M”,”isCorrect”:”1″},”9vn89″:{“id”:”9vn89″,”image”:””,”imageId”:””,”title”:”D) maggiore di 10\u20132 M”},”u3bqh”:{“id”:”u3bqh”,”image”:””,”imageId”:””,”title”:”E) 10\u20132 …

{“questions”:{“67g4d”:{“id”:”67g4d”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2012\r\n\r\n \r\nIndividuare la successione corretta che ordina, in base al PH crescente, le seguenti soluzioni acquose:\r\n\r\na) NH3 0,1 M\r\nb) HNO3 0,1 M\r\nc) KOH 0,1 M\r\nd) HNO3 0,001 M\r\ne) …

{“questions”:{“59edz”:{“id”:”59edz”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2004\r\n\r\n \r\nQuante moli di HCl sono presenti in 100 litri di soluzione acquosa di tale sostanza a pH = 5 ?\r\n“,”desc”:””,”hint”:””,”answers”:{“4ijld”:{“id”:”4ijld”,”image”:””,”imageId”:””,”title”:”A) 0,00001″},”7ejak”:{“id”:”7ejak”,”image”:””,”imageId”:””,”title”:”B) 0,005″},”skllb”:{“id”:”skllb”,”image”:””,”imageId”:””,”title”:”C) 0,001″,”isCorrect”:”1″},”p9kve”:{“id”:”p9kve”,”image”:””,”imageId”:””,”title”:”D) 0,000001″},”oe2fe”:{“id”:”oe2fe”,”image”:””,”imageId”:””,”title”:”E) 100″}}}},”results”:{“r8mub”:{“id”:”r8mub”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” Gli acidi …

{“questions”:{“n83yn”:{“id”:”n83yn”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2015\r\n\r\n \r\nDell\u2019acqua viene aggiunta a 10 cm\u20123 di una soluzione acquosa di acido cloridrico 2 mol dm\u20123 in modo da ottenere 1000 cm\u20123 di acido cloridrico diluito. Di …