[{"question":"Ak\u00e1 je chemick\u00e1 zna\u010dka kysl\u00edka?","answers":["V","H","O","C"],"correct":"O","order":"1"},{"question":"Ko\u013eko prot\u00f3nov sa nach\u00e1dza v jadre kysl\u00edka?","answers":["9","8","7","6"],"correct":"8","order":"2"},{"question":"Ko\u013eko izotopov vytv\u00e1ra kysl\u00edk?","answers":["0","1","2","3"],"correct":"3","order":"3"},{"question":"V ktor\u00fdch, z uveden\u00fdch zl\u00fa\u010den\u00edn sa nenach\u00e1dza viazan\u00fd kysl\u00edk ?","answers":["vzduch","soli","kyseliny","voda"],"correct":"vzduch","order":"4"},{"question":"\u010co nepatr\u00ed medzi charakeristick\u00e9 vlastnosti kysl\u00edka?","answers":["je najslinej\u0161\u00edm oxidovadlom","rozp\u00fa\u0161\u0165a sa v malom mno\u017estve vody","je vysoko reakt\u00edvny plyn","14 kr\u00e1t \u013eah\u0161\u00ed ako vzduch"],"correct":"14 kr\u00e1t \u013eah\u0161\u00ed ako vzduch","order":"5"},{"question":"\u010co vznik\u00e1 zl\u00fa\u010den\u00edm kysl\u00edka a uhl\u00edka?","answers":["amoniak","oxid uhli\u010dit\u00fd","voda","so\u013e"],"correct":"oxid uhli\u010dit\u00fd","order":"6"},{"question":"Ako m\u00f4\u017eeme priemyslene z\u00edska\u0165 kysl\u00edk?","answers":["destil\u00e1ciou kvapaln\u00e9ho vzduchu","rozkladom preoxidu vod\u00edka za pr\u00edtomnosti burelu","rozkladom oxidu b\u00e1ri\u010dit\u00e9ho","rozkladom CH4 (met\u00e1n)"],"correct":"destil\u00e1ciou kvapaln\u00e9ho vzduchu","order":"7"},{"question":"Na\u010do sa v praxi nepou\u017e\u00edva kysl\u00edk?","answers":["ako palivo pre raketov\u00e9 motory","na odstra\u0148ovanie s\u00edry z ropy","v zdravotn\u00edctve - do d\u00fdchac\u00edch pr\u00edstrojov","v hutn\u00edctve, na zv\u00e1ranie a rezanie kovov"],"correct":"na odstra\u0148ovanie s\u00edry z ropy","order":"8"},{"question":"Ako del\u00edme zl\u00fa\u010deniny kysl\u00edka - oxidy - pod\u013ea charakteru v\u00e4zieb?","answers":["molekulov\u00e9, i\u00f3nov\u00e9","i\u00f3nov\u00e9 a oxidy s at\u00f3movou \u0161trukt\u00farou","molekulov\u00e9, i\u00f3nov\u00e9 a oxidy s at\u00f3movou \u0161trukt\u00farou","molekulov\u00e9 a oxidy s at\u00f3movou \u0161trukt\u00farou"],"correct":"molekulov\u00e9, i\u00f3nov\u00e9 a oxidy s at\u00f3movou \u0161trukt\u00farou","order":"9"},{"question":"\u010co patr\u00ed medzi najv\u00fdznamnej\u0161ie zl\u00fa\u010deniny kysl\u00edka?","answers":["voda, oz\u00f3n a peroxid vod\u00edka","voda, kyseliny a oxid uhli\u010dit\u00fd","amonik, halogenidy a uh\u013eovod\u00edky","amoniak, voda a peroxid vod\u00edka"],"correct":"voda, oz\u00f3n a peroxid vod\u00edka","order":"10"}]