[{"question":"Uve\u010fte chemick\u00fa zna\u010dku olova","answers":["O","Pb","Ol","P"],"correct":"Pb","order":"1"},{"question":"Uve\u010fte n\u00e1zov chemickej zl\u00fa\u010deniny PbH4","answers":["plum\u00e1n","plumbum","plumb\u00e1n","pulum\u00e1n"],"correct":"plumb\u00e1n","order":"2"},{"question":"Uve\u010fte n\u00e1zov chemickej zl\u00fa\u010deniny PbO2","answers":["fluorid olovnat\u00fd","oxid olove\u010dn\u00fd","oxid olovi\u010dn\u00fd","oxid olovi\u010dit\u00fd"],"correct":"oxid olovi\u010dit\u00fd","order":"3"},{"question":"Uve\u010fte chemick\u00fd vzorec chemickej zl\u00fa\u010deniny sulfid olovnat\u00fd","answers":["PS","PbS","PbS3","PbS5"],"correct":"PbS","order":"4"},{"question":"Dopl\u0148te chemick\u00fa rovnicu: PbO + 2 HCl \u2192","answers":["PbCl2 + H2O","PbCl + H2O","2 PbCl3 + H2O","PbCl6 + 3 H2O"],"correct":"PbCl2 + H2O","order":"5"},{"question":"Uve\u010fte chemick\u00fd vzorec: chloridu olovnat\u00e9ho","answers":["PbCl","PbCl6","PbCl5","PbCl2"],"correct":"PbCl2","order":"6"},{"question":"Uve\u010fte ako sa rozklad\u00e1 PbF4 pri zv\u00fd\u0161enej teplote (dopl\u0148te chemick\u00fa rovnicu) PbF4 \u2192","answers":["PbF2 + F2","PbF3 + F2","PbF2 + F3","PbF2 + HF2"],"correct":"PbF2 + F2","order":"7"},{"question":"Uve\u010fte vzorec zl\u00fa\u010deniny fluorid olovi\u010dit\u00fd","answers":["PbF3","PbF5","PbF","PbF4"],"correct":"PbF4","order":"8"},{"question":"Uve\u010fte vzorec zl\u00fa\u010deniny chlorid olovi\u010dit\u00fd","answers":["PbCl4","PbCl2","PbCl6","PbCl1"],"correct":"PbCl4","order":"9"},{"question":"Uve\u010fte latinsk\u00fd n\u00e1zov prvku olovo","answers":["Pulum","Plumbum","Olovium","Olovum"],"correct":"Plumbum","order":"10"}]