The correct option is D In manufacturing of chlorine and glucose
Uses of HCl:
Hydrochloric acid reacts with metals to form their respective chlorides and so, is used in the manufacture of metal chlorides.
Aqua regia is made using hydrochloric acid and nitric acid.
In manufacturing chlorine, NH4Cl, and
glucose (from corn starch).
It is also used as a laboratory reagent.
Hydrochloric acid is also used for extracting glue from bones.