Strong Smelling Gas, Nitrogen and Hydrogen
This page is the CodyCross answer for the clue below from Transport, Group 106, Puzzle 5.
Question
Strong Smelling Gas, Nitrogen and Hydrogen
Answer
AMMONIA
Word Meaning:
AMMONIA — (inorganic chemistry) A gaseous, toxic compound of hydrogen and nitrogen, NH₃, with a pungent smell and taste.
Definitions from Wiktionary.