[{"question":"Ako sa zmen\u00ed hustota vzduchu, ke\u010f ho stla\u010d\u00edme v strieka\u010dke?","answers":["zmen\u0161\u00ed sa","nezmen\u00ed sa","ned\u00e1 sa to ur\u010di\u0165","zv\u00e4\u010d\u0161\u00ed sa"],"correct":"zv\u00e4\u010d\u0161\u00ed sa","order":"1"},{"question":"\u010co mus\u00edme urobi\u0165 so vzduchom v strieka\u010dke, aby sa zmen\u0161ila jeho hustota?","answers":["zohria\u0165 ho v hor\u00facej vode","stla\u010di\u0165 ho","ochladi\u0165 ho v studenej vode","ned\u00e1 sa to urobi\u0165"],"correct":"zohria\u0165 ho v hor\u00facej vode","order":"2"},{"question":"\u010co sa deje, ke\u010f ponor\u00edme strieka\u010dku so vzduchom do hor\u00facej vody?","answers":["Piest sa zas\u00fava dovn\u00fatra strieka\u010dky.","Vzduch v strieka\u010dke sa rozp\u00edna.","Vyduch sa v strieka\u010dke ochlad\u00ed.","Zv\u00e4\u010d\u0161\u00ed sa hustota vzduchu v strieka\u010dke."],"correct":"Vzduch v strieka\u010dke sa rozp\u00edna.","order":"3"},{"question":"Kedy m\u00e1 plyn v\u00e4\u010d\u0161iu hustotu?","answers":["Hustota plynu sa ned\u00e1 zv\u00e4\u010d\u0161i\u0165.","Ke\u010f m\u00e1 menej \u010dast\u00edc.","Ke\u010f s\u00fa \u010dastice \u010falej od seba.","Ke\u010f s\u00fa \u010dastice bli\u017e\u0161ie k sebe."],"correct":"Ke\u010f s\u00fa \u010dastice bli\u017e\u0161ie k sebe.","order":"4"},{"question":"Pre\u010do m\u00e1 plyn h\u00e9lium men\u0161iu hustotu ako plyn oxid uhli\u010dit\u00fd?","answers":["H\u00e9lium m\u00e1 viac \u010dast\u00edc.","Nie je to pravda.","H\u00e9lium m\u00e1 menej \u010dast\u00edc.","H\u00e9lium m\u00e1 \u010dastice viac nahusto."],"correct":"H\u00e9lium m\u00e1 menej \u010dast\u00edc.","order":"5"},{"question":"Pre\u010do sa hustota plynov nemen\u00ed?","answers":["Nie je to pravda.","Lebo sa daj\u00fa stla\u010di\u0165.","Lebo sa rozp\u00ednaj\u00fa.","Lebo maj\u00fa r\u00f4zne \u010dastice."],"correct":"Nie je to pravda.","order":"6"},{"question":"Kedy sa piest vys\u00fava zo strieka\u010dky von?","answers":["Ke\u010f sa vzduch v strieka\u010dke ochladzuje.","Ke\u010f sa vzduch v strieka\u010dke zohrieva.","Ke\u010f sa zv\u00e4\u010d\u0161uje hustota vzduchu v strieka\u010dke..","Ned\u00e1 sa to urobi\u0165."],"correct":"Ke\u010f sa vzduch v strieka\u010dke zohrieva.","order":"7"},{"question":"Pri akej teplote s\u00fa nameran\u00e9 hustoty plynov v tabu\u013ek\u00e1ch?","answers":["50\u00b0C","10\u00b0C","100\u00b0C","0\u00b0C"],"correct":"0\u00b0C","order":"8"},{"question":"Pri 30\u00b0C sme namerali hustotu vzduchu 1,16 kg\/m3<\/sup>. Ak\u00fa hustotu vzduchu sme mohli namera\u0165 pri -20 \u00b0C?","answers":["rovnak\u00fa","men\u0161iu","v\u00e4\u010d\u0161iu","ned\u00e1 sa to namera\u0165"],"correct":"v\u00e4\u010d\u0161iu","order":"9"},{"question":"Ak\u00e1 je hustota vzduchu uveden\u00e1 v tabu\u013ek\u00e1ch?","answers":["1000 kg\/m3<\/sup>","1,27 kg\/m3<\/sup>","1,27 g\/cm3<\/sup>","1000 g\/cm3<\/sup>"],"correct":"1,27 kg\/m3<\/sup>","order":"10"}]