Strongly oxidizing concentrated sulfuric acid.

Concentrated hydrochloric acid with antimony.

Highly concentrated, reactive nitric acid.

(inorganic chemistry) Any solution of sulfur trioxide in sulfuric acid; it contains pyrosulfuric acid, and is used in the manufacture of nitroglycerine etc.

a red-brown oily liquid prepared in 1760 by the French chemist Louis Claude Cadet de Gassicourt by the reaction of potassium acetate with arsenic trioxide.

Angry students' volatile chemical reaction.

(chemistry) A storable oxidizer used as a rocket propellant, consisting of 84% nitric acid, 13% dinitrogen tetroxide, and 1–2% water.