[{"question":"Kov je z chemick\u00e9ho h\u013eadiska:","answers":["kry\u0161talick\u00e1 a elektropozit\u00edvna l\u00e1tka s vo\u013en\u00fdmi elektr\u00f3nmi","uh\u013eovod\u00edk s vo\u013en\u00fdmi elektr\u00f3nmi","aldehyd","ket\u00f3n"],"correct":"kry\u0161talick\u00e1 a elektropozit\u00edvna l\u00e1tka s vo\u013en\u00fdmi elektr\u00f3nmi","order":"1"},{"question":"Toxick\u00e9 kovy","answers":["maj\u00fa magnetick\u00e9 vlastnosti","maj\u00fa toxick\u00e9 \u00fa\u010dinky","nep\u00f4sobia toxicky","neexistuj\u00fa"],"correct":"maj\u00fa toxick\u00e9 \u00fa\u010dinky","order":"2"},{"question":"Feromagnetick\u00e9 kovy","answers":["maj\u00fa toxick\u00e9 vlastnosti","maj\u00fa magnetick\u00e9 vlastnosti","nemaj\u00fa magnetick\u00e9 vlastnosti","s\u00fa kovy len \u017eltej farby"],"correct":"maj\u00fa magnetick\u00e9 vlastnosti","order":"3"},{"question":"Medzi zliatiny nepatr\u00ed:","answers":["manganistan draseln\u00fd","mosadz","oce\u013e","dural"],"correct":"manganistan draseln\u00fd","order":"4"},{"question":"Mosadz je zliatina:","answers":["Cu + Si","Cu + Hg","Cu + Zn","Zn + Hg"],"correct":"Cu + Zn","order":"5"},{"question":"Ozna\u010d nespr\u00e1vne tvrdenie: Kovy","answers":["ve\u013emi dobre ved\u00fa elektrick\u00fd pr\u00fad.","s\u00fa tepelne vodiv\u00e9.","s\u00fa kujn\u00e9.","nie s\u00fa \u0165a\u017en\u00e9."],"correct":"nie s\u00fa \u0165a\u017en\u00e9.","order":"6"},{"question":"Supravodivos\u0165 je:","answers":["jav , pri ktorom materi\u00e1l kladie ve\u013ek\u00fd odpor prechodu elektrick\u00e9ho pr\u00fadu","jav, pri ktorom elektrick\u00fd pr\u00fad materi\u00e1lom neprech\u00e1dza","jav, pri ktorom materi\u00e1l nekladie takmer \u017eiadny odpor prechodu elektrick\u00e9ho pr\u00fadu","jav, pri ktorom doch\u00e1dza k prep\u00f3lovaniu materi\u00e1lu"],"correct":"jav, pri ktorom materi\u00e1l nekladie takmer \u017eiadny odpor prechodu elektrick\u00e9ho pr\u00fadu","order":"7"},{"question":"Sod\u00edk Na sa v elektrochemickom rade nap\u00e4tia kovov nach\u00e1dza:","answers":["na \u013eavej strane od vod\u00edka","na pravej strane od vod\u00edka","nenach\u00e1dza","nach\u00e1dza na pravo od medi"],"correct":"na \u013eavej strane od vod\u00edka","order":"8"},{"question":"Kovy umiestnen\u00e9 napravo od vod\u00edka v elektrochemickom rade nap\u00e4tia kovov vol\u00e1me:","answers":["neu\u0161\u013eachtil\u00e9 kovy","u\u0161\u013eachtil\u00e9 kovy","magnetick\u00e9 kovy","toxick\u00e9 kovy"],"correct":"u\u0161\u013eachtil\u00e9 kovy","order":"9"},{"question":"Kovy umiestnen\u00e9 na\u013eavo od vod\u00edka v elektrochemickom rade nap\u00e4tia kovov vol\u00e1me:","answers":["neu\u0161\u013eachtil\u00e9 kovy","u\u0161\u013eachtil\u00e9 kovy","magnetick\u00e9 kovy","toxick\u00e9 kovy"],"correct":"neu\u0161\u013eachtil\u00e9 kovy","order":"10"}]