[{"question":"\u010cervenohned\u00e1 hrdza na \u017eeleze a oceli je najoby\u010dajnej\u0161ia forma ...","answers":["zr\u00e1\u017eacej reakcie","kor\u00f3zie","hrdze","elektrol\u00fdzy"],"correct":"kor\u00f3zie","order":"1"},{"question":"Kor\u00f3zia, ktor\u00e1 prebieha v elektricky vodiv\u00fdch prostrediach sa naz\u00fdva...","answers":["chemick\u00e1","mechanick\u00e1","elektrochemick\u00e1","zr\u00e1\u017eacia"],"correct":"elektrochemick\u00e1","order":"2"},{"question":"Kor\u00f3zia, ktor\u00e1 prebieha v elektricky nevodiv\u00fdch prostrediach sa naz\u00fdva...","answers":["chemick\u00e1","mechanick\u00e1","elektrochemick\u00e1","zr\u00e1\u017eacia"],"correct":"chemick\u00e1","order":"3"},{"question":"Oce\u013eov\u00e9 s\u00fa\u010diastky sa proti kor\u00f3zii pokr\u00fdvaju...","answers":["vrstvou zinku","vrstvou medi","vrstvou vod\u00edka","vrstvou kysl\u00edka"],"correct":"vrstvou zinku","order":"4"},{"question":"\u010co je v\u00fdsledkom kor\u00f3zie?","answers":["krehkos\u0165 materi\u00e1lu","vodivos\u0165 materi\u00e1lu","spevnenie materi\u00e1lu","\u00fabytok materi\u00e1lu"],"correct":"\u00fabytok materi\u00e1lu","order":"5"},{"question":"Samovo\u013en\u00e9, postupn\u00e9 rozru\u0161enie kovov vplyvom chemickej alebo elektrochemickej reakcie sa naz\u00fdva...","answers":["kor\u00f3zia","ch\u00e9mia","reakcia","rovnica"],"correct":"kor\u00f3zia","order":"6"},{"question":"Kor\u00f3zia je .............. reakcia.","answers":["zlu\u010dovacia","zr\u00e1\u017eacia","fyzik\u00e1lno -chemick\u00e1","vylu\u010dovacia"],"correct":"fyzik\u00e1lno -chemick\u00e1","order":"7"},{"question":"Kor\u00f3zia napad\u00e1 hlavne...","answers":["kovy","drevo","sklo","plasty"],"correct":"kovy","order":"8"},{"question":"Kovy sa \u010dasto pokr\u00fdvaj\u00fa slabou vrstvou in\u00e9ho kovu v\u010faka procesu, ktor\u00fd sa naz\u00fdva...","answers":["elektrolytick\u00e9 pokovovanie","posilnenie","spevnenie materi\u00e1lu","pokovovanie"],"correct":"elektrolytick\u00e9 pokovovanie","order":"9"},{"question":"Proces, pri ktorom sa povrch kovov\u00fdch v\u00fdrobkov pokr\u00fdva vrstvou zinku, sa naz\u00fdva...","answers":["pokovovanie","pozinkovanie","spevnenie materi\u00e1lu","posilnenie"],"correct":"pokovovanie","order":"10"}]