[{"question":"Kde sa v periodickej tabu\u013eke nach\u00e1dza s\u00edra?","answers":["V.A skupina, 3. peri\u00f3da","V.A skupina, 5. peri\u00f3da","VI.A skupina, 2. peri\u00f3da","VI.A skupina, 3. peri\u00f3da"],"correct":"VI.A skupina, 3. peri\u00f3da","order":"1"},{"question":"Ako sa naz\u00fdva najzn\u00e1mej\u0161\u00ed miner\u00e1l obsahuj\u00faci s\u00edru?","answers":["rumalka","galit","pyrit","chalkoz\u00e9n"],"correct":"pyrit","order":"2"},{"question":"Kde sa vyskytuje vo\u013en\u00e1 s\u00edra (nezl\u00fa\u010den\u00e1 s in\u00fdmi prvkami)?","answers":["v podzemn\u00fdch baniach","v bl\u00edzkosti sopiek","v bl\u00edzkosti uho\u013en\u00fdch ban\u00ed","na okraji pobre\u017e\u00ed"],"correct":"v bl\u00edzkosti sopiek","order":"3"},{"question":"Ktor\u00e9 tvrdenie o s\u00edre je pravdiv\u00e9?","answers":["m\u00e1lo reakt\u00edvna","rozpustn\u00e1 vo vode","nerozpustn\u00e1 vo vode","vysoko reakt\u00edvna"],"correct":"nerozpustn\u00e1 vo vode","order":"4"},{"question":"Ktor\u00e9 tvrdenie o s\u00edre je nepravdiv\u00e9?","answers":["reaguje len s niektor\u00fdmi prvkami","na vzduchu hor\u00ed","m\u00e1 oxida\u010dn\u00e9 aj reduk\u010dn\u00e9 vlastnosti","s vod\u00edkom sa zlu\u010duje na sulf\u00e1n"],"correct":"reaguje len s niektor\u00fdmi prvkami","order":"5"},{"question":"Kde sa s\u00edra nepou\u017e\u00edva?","answers":["v lek\u00e1rstve","v potravin\u00e1rstve","pri v\u00fdrobe gumy","v v\u00fdrobe hnoj\u00edv"],"correct":"v potravin\u00e1rstve","order":"6"},{"question":"Ktor\u00e9 tvrdenie o sulf\u00e1ne je pravdiv\u00e9?","answers":["m\u00e1 n\u00edzsku tepeln\u00fa vodivos\u0165","vo vode nerozpustn\u00fd","prudko jedovat\u00fd plyn","vznik\u00e1 pri rozklade cukrov"],"correct":"prudko jedovat\u00fd plyn","order":"7"},{"question":"Ktor\u00e9 tvrdenie o oxide siri\u010ditom je nepravdiv\u00e9?","answers":["je jedovat\u00fd plyn","vo vode rozpustn\u00fd","vznik\u00e1 horen\u00edm s\u00edry","je bielej farby"],"correct":"je bielej farby","order":"8"},{"question":"Ktor\u00e9 tvrdenie o oxide s\u00edrovom je pravdiv\u00e9?","answers":["silne hygroskopick\u00fd","m\u00e1 reduk\u010dn\u00e9 vlastnosti","s vodou nerakt\u00edvny","je jedovat\u00fd"],"correct":"silne hygroskopick\u00fd","order":"9"},{"question":"Ktor\u00e9 tvrdenie o kyseline s\u00edrovej je nepravdiv\u00e9?","answers":["pou\u017e\u00edva sa na v\u00fdrobo farb\u00edv, hnoj\u00edv a pri spracovan\u00ed r\u00fad","bezfarebn\u00e1 olejovit\u00e1 kvapalina","koncentrovan\u00e1 m\u00e1 silne hygroskopick\u00e9 vlastnosti","m\u00e1 oxida\u010dn\u00e9 a reduk\u010dn\u00e9 vlastnosti"],"correct":"m\u00e1 oxida\u010dn\u00e9 a reduk\u010dn\u00e9 vlastnosti","order":"10"}]