They dissolve in hydrochloric acid (HCl), releasing carbon dioxide gas (CO 2 ).
(They; dissolve; in hydrochloric acid) Context(They dissolve,List([0, 13))):(They; dissolve in hydrochloric acid releasing; carbon dioxide gas)
They dissolve,List([0, 13))
They They
dissolve dissolve in hydrochloric acid releasing
in hydrochloric acid
carbon dioxide gas