[{"question":"Viacer\u00e9 kovy sa vyr\u00e1baj\u00fa?","answers":["z oxidov","z kysel\u00edn","z halogenidov","zo z\u00e1sad"],"correct":"z oxidov","order":"1"},{"question":"Oxidy kovov sa v pr\u00edrode vyskytuj\u00fa ako?","answers":["prvky","miner\u00e1ly","kyseliny","oxidy"],"correct":"miner\u00e1ly","order":"2"},{"question":"\u017delezo je ........... prvok.","answers":["umel\u00fd","kysl\u00fd","biog\u00e9nny","toxick\u00fd"],"correct":"biog\u00e9nny","order":"3"},{"question":"V \u013eudskom tele sa \u017eelezo nach\u00e1dza v:","answers":["hemoglob\u00edne","kyseline","\u017eal\u00fadku","mozgu"],"correct":"hemoglob\u00edne","order":"4"},{"question":"Technick\u00e9 \u017eelezo sa vyr\u00e1ba:","answers":["z ocele","z v\u00e1penca","z krem\u00edka","zo \u017eeleznej rudy"],"correct":"zo \u017eeleznej rudy","order":"5"},{"question":"Surov\u00e9 \u017eelezo sa naz\u00fdva:","answers":["oce\u013e","liatina","ruda","krem\u00edk"],"correct":"liatina","order":"6"},{"question":"Surov\u00e9 \u017eelezo je:","answers":["kujn\u00e9","nekujn\u00e9","kyslikat\u00e9","v\u00e1penat\u00e9"],"correct":"nekujn\u00e9","order":"7"},{"question":"Troska chr\u00e1ni \u017eelezo na povrchu pred:","answers":["krem\u00edkom","oxidom uhli\u010dit\u00fdm","vzdu\u0161n\u00fdm kysl\u00edkom","vodou"],"correct":"vzdu\u0161n\u00fdm kysl\u00edkom","order":"8"},{"question":"Teplota pece doasahuje:","answers":["2000 stup\u0148ov","1000 stup\u0148ov","100 stup\u0148ov","50 stup\u0148ov"],"correct":"2000 stup\u0148ov","order":"9"},{"question":"Najd\u00f4le\u017eitej\u0161ia zliatina je:","answers":["zlato","oce\u013e","\u017eelezo","v\u00e1penec"],"correct":"oce\u013e","order":"10"}]