Archives

{“questions”:{“lbutt”:{“id”:”lbutt”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2017\r\n\r\n \r\nL\u2019acetone pu\u00f2 essere ossidato a:\r\n“,”desc”:””,”hint”:””,”answers”:{“p2779”:{“id”:”p2779″,”image”:””,”imageId”:””,”title”:”A)\talcano”},”sn2x9″:{“id”:”sn2x9″,”image”:””,”imageId”:””,”title”:”B)\talogenuro alchilico”},”im7h8″:{“id”:”im7h8″,”image”:””,”imageId”:””,”title”:”C)\talcol secondario”},”ukduv”:{“id”:”ukduv”,”image”:””,”imageId”:””,”title”:”D)\tacido carbossilico”,”isCorrect”:”1″},”tas9u”:{“id”:”tas9u”,”image”:””,”imageId”:””,”title”:”E)\talchene”}}}},”results”:{“zeg5y”:{“id”:”zeg5y”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” Se ossidiamo un composto organico otterremo un composto che presenta atomi di carbonio pi\u00f9 ossidati rispetto alla situazione di …

{“questions”:{“xu8v3”:{“id”:”xu8v3″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2017\r\n\r\n \r\nMiscelando quantit\u00e0 equimolari di ammoniaca e cloruro di ammonio in acqua si ottiene:\r\n“,”desc”:””,”hint”:””,”answers”:{“i8lk2”:{“id”:”i8lk2″,”image”:””,”imageId”:””,”title”:”A)\tuna soluzione neutra”},”a7wck”:{“id”:”a7wck”,”image”:””,”imageId”:””,”title”:”B)\tun miscuglio eterogeneo”},”xeq8a”:{“id”:”xeq8a”,”image”:””,”imageId”:””,”title”:”C)\tuna soluzione acida”},”1uc8g”:{“id”:”1uc8g”,”image”:””,”imageId”:””,”title”:”D)\tuna soluzione tampone”,”isCorrect”:”1″},”yemiv”:{“id”:”yemiv”,”image”:””,”imageId”:””,”title”:”E)\tun precipitato”}}}},”results”:{“3yxgb”:{“id”:”3yxgb”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nUna soluzione tampone e una …

{“questions”:{“7b6hk”:{“id”:”7b6hk”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nAcqua ed esano non sono miscibili tra loro.\r\n\r\n \r\nQualora vengano posti nello stesso recipiente si ottiene:\r\n“,”desc”:””,”hint”:””,”answers”:{“oei3f”:{“id”:”oei3f”,”image”:””,”imageId”:””,”title”:”A)\tun colloide”},”ylq4u”:{“id”:”ylq4u”,”image”:””,”imageId”:””,”title”:”B)\tun’unica fase”},”nnhhp”:{“id”:”nnhhp”,”image”:””,”imageId”:””,”title”:”C)\tun sistema omogeneo”},”vah3n”:{“id”:”vah3n”,”image”:””,”imageId”:””,”title”:”D)\tuna soluzione”},”3a6gg”:{“id”:”3a6gg”,”image”:””,”imageId”:””,”title”:”E)\tun sistema eterogeneo”,”isCorrect”:”1″}}}},”results”:{“14fbg”:{“id”:”14fbg”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nCome prima osservazione notiamo che l\u2019esano …

{“questions”:{“81py5”:{“id”:”81py5″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2017\r\n \r\nLa reazione2 KI + Br2 \u2192 2 KBr + I2\u00e8 una reazione di:\r\n“,”desc”:””,”hint”:””,”answers”:{“odfnh”:{“id”:”odfnh”,”image”:””,”imageId”:””,”title”:”A)\tdecomposizione\t”},”qhn3s”:{“id”:”qhn3s”,”image”:””,”imageId”:””,”title”:”B)\tossidoriduzione”,”isCorrect”:”1″},”z4jhw”:{“id”:”z4jhw”,”image”:””,”imageId”:””,”title”:”C)\tdismutazione”},”zg5r6″:{“id”:”zg5r6″,”image”:””,”imageId”:””,”title”:”D)\taddizione”},”u5bdq”:{“id”:”u5bdq”,”image”:””,”imageId”:””,”title”:”E)\tcombustione”}}}},”results”:{“p2ie1”:{“id”:”p2ie1″,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” Per valutare se si tratta di una ossidoriduzione dobbiamo riscrivere la reazione indicando il …

{“questions”:{“n62yc”:{“id”:”n62yc”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2017\r\n\r\n \r\nGli alcheni sono composti contenenti almeno un:\r\n“,”desc”:””,”hint”:””,”answers”:{“hz03d”:{“id”:”hz03d”,”image”:””,”imageId”:””,”title”:”A)\ttriplo legame tra atomi di carbonio”},”6grsr”:{“id”:”6grsr”,”image”:””,”imageId”:””,”title”:”B)\tdoppio legame tra atomi di carbonio”,”isCorrect”:”1″},”9vmp6″:{“id”:”9vmp6″,”image”:””,”imageId”:””,”title”:”C)\tdoppio legame carbonio-azoto”},”9x04q”:{“id”:”9x04q”,”image”:””,”imageId”:””,”title”:”D)\tlegame singolo tra atomi di carbonio”},”a93tv”:{“id”:”a93tv”,”image”:””,”imageId”:””,”title”:”E)\ttriplo legame carbonio-azoto”}}}},”results”:{“kkg3u”:{“id”:”kkg3u”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nNella …

{“questions”:{“y6diy”:{“id”:”y6diy”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2017\r\n \r\nQuale tra le seguenti serie di composti \u00e8 formata solo da composti aromatici?\r\n“,”desc”:””,”hint”:””,”answers”:{“x9kks”:{“id”:”x9kks”,”image”:””,”imageId”:””,”title”:”A)\tBenzene, toluene, naftalene, fenantrene”,”isCorrect”:”1″},”50iag”:{“id”:”50iag”,”image”:””,”imageId”:””,”title”:”B)\tAcetilene, benzene, toluene, naftalene”},”qnra7″:{“id”:”qnra7″,”image”:””,”imageId”:””,”title”:”C)\tToluene, benzene, butano, pentano”},”y1v4b”:{“id”:”y1v4b”,”image”:””,”imageId”:””,”title”:”D)\tToluene, naftalene, fenantrene, etilene”},”3bo5x”:{“id”:”3bo5x”,”image”:””,”imageId”:””,”title”:”E)\tButano, toluene, etilene, …

{“questions”:{“otmdg”:{“id”:”otmdg”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2017\r\n\r\n \r\nUna soluzione contiene 5 g di soluto disciolti in 50 L di solvente.\r\nLa sua concentrazione \u00e8 pari a:\r\n\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“sev20”:{“id”:”sev20″,”image”:””,”imageId”:””,”title”:”A)\t250 g\/L”},”6hxrq”:{“id”:”6hxrq”,”image”:””,”imageId”:””,”title”:”B)\t10 g\/L”},”hpi0z”:{“id”:”hpi0z”,”image”:””,”imageId”:””,”title”:”C)\t0,1 g\/L”,”isCorrect”:”1″},”7wt19″:{“id”:”7wt19″,”image”:””,”imageId”:””,”title”:”D)\t0,1 M”},”94j26″:{“id”:”94j26″,”image”:””,”imageId”:””,”title”:”E)\t10 M”}}}},”results”:{“b9vgs”:{“id”:”b9vgs”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nIl quesito fornisce i …

{“questions”:{“0zqky”:{“id”:”0zqky”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2017\r\n\r\n \r\nUn cucchiaino di sale da cucina contiene 25,00 g di NaCl.\r\n\r\n \r\nSapendo che una mole di NaCl pesa 58,44 g il cucchiaino contiene:\r\n“,”desc”:””,”hint”:””,”answers”:{“ijm72”:{“id”:”ijm72″,”image”:””,”imageId”:””,”title”:”A)\t4,278 moli”},”1rh2g”:{“id”:”1rh2g”,”image”:””,”imageId”:””,”title”:”B)\t2,337 moli”},”6f8fl”:{“id”:”6f8fl”,”image”:””,”imageId”:””,”title”:”C)\t0,043 moli “},”gndhg”:{“id”:”gndhg”,”image”:””,”imageId”:””,”title”:”D)\t42,78 …

{“questions”:{“0uwmm”:{“id”:”0uwmm”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2017\r\n\r\n \r\nQual \u00e8 la massa molare del composto con formula C6H12O6?\r\n“,”desc”:””,”hint”:””,”answers”:{“en7ju”:{“id”:”en7ju”,”image”:””,”imageId”:””,”title”:”A)\t180,16 mol”},”sk0cj”:{“id”:”sk0cj”,”image”:””,”imageId”:””,”title”:”B)\t180,16 g”},”xfpsk”:{“id”:”xfpsk”,”image”:””,”imageId”:””,”title”:”C)\t180,16 g\/mol”,”isCorrect”:”1″},”eclwq”:{“id”:”eclwq”,”image”:””,”imageId”:””,”title”:”D)\t180,16 M”},”xl53c”:{“id”:”xl53c”,”image”:””,”imageId”:””,”title”:”E)\t180,16 m”}}}},”results”:{“ue2sk”:{“id”:”ue2sk”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nIn questo quesito tutte le risposte riportano l\u2019identico valore 180,16. Non si …

{“questions”:{“noyxp”:{“id”:”noyxp”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2017\r\n\r\n\r\n\r\n \r\nIl trizio \u00e8 un isotopo dell\u2019idrogeno.\r\n\r\n \r\nSapendo che il suo numero di massa \u00e8 3 \u00e8 possibile affermare che:\r\n“,”desc”:””,”hint”:””,”answers”:{“vcgsk”:{“id”:”vcgsk”,”image”:””,”imageId”:””,”title”:”A) il numero atomico del trizio \u00e8 due”},”ye9wa”:{“id”:”ye9wa”,”image”:””,”imageId”:””,”title”:”B) il …