[{"question":"Ak\u00e1 je chemick\u00e1 zna\u010dka vod\u00edka?","answers":["V","O","H","C"],"correct":"H","order":"1"},{"question":"Ko\u013eko prot\u00f3nov sa nach\u00e1dza v jadre vod\u00edka?","answers":["0","1","2","3"],"correct":"1","order":"2"},{"question":"Ko\u013eko izotopov vytv\u00e1ra vod\u00edk?","answers":["0","1","2","3"],"correct":"3","order":"3"},{"question":"V ktor\u00fdch, z uveden\u00fdch zl\u00fa\u010den\u00edn sa viazan\u00fd vod\u00edk nenach\u00e1dza?","answers":["kyseliny","soli","vzduch","voda"],"correct":"vzduch","order":"4"},{"question":"\u010co nepatr\u00ed medzi charakeristick\u00e9 vlastnosti vod\u00edka?","answers":["dobr\u00e9 reduk\u010dn\u00e9 vlastnosti","rozp\u00fa\u0161\u0165a sa v malom mno\u017estve vody","tvor\u00ed vod\u00edkov\u00e9 most\u00edky s N, O, F","14 kr\u00e1t \u013eah\u0161\u00ed ako vzduch"],"correct":"rozp\u00fa\u0161\u0165a sa v malom mno\u017estve vody","order":"5"},{"question":"\u010co vznik\u00e1 zl\u00fa\u010den\u00edm vod\u00edka a dus\u00edka?","answers":["amoniak","chlorovod\u00edk","voda","so\u013e"],"correct":"amoniak","order":"6"},{"question":"Ako m\u00f4\u017eeme priemyslene z\u00edska\u0165 vod\u00edk?","answers":["reakciou kyseliny chl\u00f3rovod\u00edkovej so hlin\u00edkom","redukciou vody","reakciou kyseliny chl\u00f3rovod\u00edkovej so zinkom","rozkladom CH4 (met\u00e1n)"],"correct":"rozkladom CH4 (met\u00e1n)","order":"7"},{"question":"Na\u010do sa v praxi nepou\u017e\u00edva vod\u00edk?","answers":["na stu\u017eovanie tukov","na odstra\u0148ovanie s\u00edry z ropy","v lek\u00e1rstve","v hutn\u00edctve, na zv\u00e1ranie a rezanie kovov"],"correct":"v lek\u00e1rstve","order":"8"},{"question":"\u010co patr\u00ed medzi anorganick\u00e9 zl\u00fa\u010deniny vod\u00edka?","answers":["hidridy a uh\u013eovod\u00edky","kyseliny a hidridy","uh\u013eovod\u00edky a pr\u00edrodn\u00e9 l\u00e1tky","uh\u013eovod\u00edky a kyanidy"],"correct":"kyseliny a hidridy","order":"9"},{"question":"\u010co patr\u00ed medzi najv\u00fdznamnej\u0161ie zl\u00fa\u010deniny vod\u00edka?","answers":["voda a peroxid vod\u00edka","voda a oxid uhli\u010dit\u00fd","halogenidy a uh\u013eovod\u00edky","uhli\u010ditany a peroxid vod\u00edka"],"correct":"voda a peroxid vod\u00edka","order":"10"}]