[{"question":"Ozna\u010dte v\u00e1penat\u00fd kati\u00f3n","answers":["Ca2+","Ca3+","C2+","Ca2-"],"correct":"Ca2+","order":"1"},{"question":"Uve\u010fte chemick\u00fd vzorec kyseliny s\u00edrovej","answers":["HSO","H3SO4","H2SO3","H2SO4"],"correct":"H2SO4","order":"2"},{"question":"Ozna\u010dte s\u00edran v\u00e1penat\u00fd","answers":["CaSO2","CaSO","CaSO4","Ca3SO4"],"correct":"CaSO4","order":"3"},{"question":"Ozna\u010dte olovnat\u00fd kati\u00f3n","answers":["O2+","Pb2+","Pb5+","Pb6+"],"correct":"Pb2+","order":"4"},{"question":"Uve\u010fte n\u00e1zov zl\u00fa\u010deniny K2CO3","answers":["uhli\u010ditan v\u00e1penat\u00fd","uhli\u010ditan v\u00e1pny","uhli\u010ditan draseln\u00fd","uhli\u010ditan drasnat\u00fd"],"correct":"uhli\u010ditan draseln\u00fd","order":"5"},{"question":"Zrazenina s\u00edranu v\u00e1penat\u00e9ho m\u00e1","answers":["\u010diernu farbu","bielu farbu","modr\u00fa farbu","zelen\u00fa farbu"],"correct":"bielu farbu","order":"6"},{"question":"Uve\u010fte chemick\u00fd vzorec uhli\u010ditanu sodn\u00e9ho","answers":["Na2CO3","Na2CO","NaCO3","Na3CO3"],"correct":"Na2CO3","order":"7"},{"question":"Zrazenina uhli\u010ditanu v\u00e1penat\u00e9ho m\u00e1","answers":["bielu farbu","\u017elt\u00fa farbu","hned\u00fa farbu","\u010diernu farbu"],"correct":"bielu farbu","order":"8"},{"question":"Uve\u010fte cheick\u00fd vzorec kyseliny chlorovod\u00edkovej","answers":["HSO","H2Cl","HF","HCl"],"correct":"HCl","order":"9"},{"question":"Uve\u010fte farbu zrazeniny PbCl2","answers":["biela","modr\u00e1","\u010dierna","indigov\u00e1"],"correct":"biela","order":"10"}]