Potassium chlorate can react with sulfuric acid to form a highly reactive solution of chloric acid and potassium sulfate:
2 KClO3 + H2SO4 → 2 HClO3 + K2SO4
When sugar is added to this reaction, it burns:
8 HClO3 + C12H22O11 → 11 H2O + 12 CO2 + 8 HCl
