[{"question":"Ko\u013eko prvkov\u00e9 zl\u00fa\u010deniny s\u00fa hydroxidy?","answers":["jednoprvkov\u00e9","trojprvkov\u00e9","dvojprvkov\u00e9","\u0161tvorprvkov\u00e9"],"correct":"trojprvkov\u00e9","order":"1"},{"question":"Ktor\u00fd prvok netvor\u00ed zl\u00fa\u010deniy hydroxidov?","answers":["kov","vod\u00edk","uhl\u00edk","kysl\u00edk"],"correct":"uhl\u00edk","order":"2"},{"question":"Ak\u00e9 je oxida\u010dn\u00e9 \u010d\u00edslo hydroxidov?","answers":["O\u010c: -II","O\u010c: +I","O\u010c: -I","O\u010c: +II"],"correct":"O\u010c: -I","order":"3"},{"question":"Ak\u00e9 je oxida\u010dn\u00e9 \u010d\u00edslo m\u00e1 pr\u00edpona - i\u010del\u00fd?","answers":["O\u010c: +VI","O\u010c: +VII","O\u010c: +V","O\u010c: +VIII"],"correct":"O\u010c: +VIII","order":"4"},{"question":"Ak\u00e9 je oxida\u010dn\u00e9 \u010d\u00edslo m\u00e1 pr\u00edpona - i\u010dit\u00fd?","answers":["O\u010c: +IV","O\u010c: +V","O\u010c: +VII","O\u010c: +II"],"correct":"O\u010c: +IV","order":"5"},{"question":"Ak\u00e9 je oxida\u010dn\u00e9 \u010d\u00edslo m\u00e1 pr\u00edpona - nat\u00fd?","answers":["O\u010c: +VI","O\u010c: +II","O\u010c: +IV","O\u010c: +III"],"correct":"O\u010c: +II","order":"6"},{"question":"Ak\u00fd chemick\u00fd vzorec m\u00e1 hydroxid \u017eelezit\u00fd?","answers":["FeOH3","FeOH2","FeOH","Fe3OH"],"correct":"FeOH3","order":"7"},{"question":"Ak\u00fd chemick\u00fd vzorec m\u00e1 hydroxid draseln\u00fd?","answers":["KOH3","K2OH","KOH2","KOH"],"correct":"KOH","order":"8"},{"question":"\u010co vznik\u00e1 pri rozp\u00fa\u0161\u0165an\u00ed hydroxidu sodn\u00e9ho vo vode?","answers":["hydroxidov\u00e9 i\u00f3ny","hydroxilov\u00e9 kati\u00f3ny","hydroxilov\u00e9 i\u00f3ny","hydroxilov\u00e9 kati\u00f3ny"],"correct":"hydroxidov\u00e9 i\u00f3ny","order":"9"},{"question":"Ak\u00e9 pH maj\u00fa hydroxidy?","answers":["kysl\u00e9","z\u00e1sadit\u00e9","silne kysl\u00e9","neutr\u00e1lne"],"correct":"z\u00e1sadit\u00e9","order":"10"}]