Kidneys Excrete It, Aka Azane
This page is the CodyCross answer for the clue below from Apothecary, Group 1967, Puzzle 4 (Distillation).
Question is: Kidneys Excrete It, Aka Azane
and the answer is: AMMONIA
Word Meaning:
AMMONIA — (inorganic chemistry) A gaseous, toxic compound of hydrogen and nitrogen, NH₃, with a pungent smell and taste.
Definitions from Wiktionary.