Share this credible answer with others. Simply paste this code into your blog or Web page:
... ammonia chemical compound, NH 3 , colorless gas that is about one half as dense as air at ordinary temperatures and pressures. It has a characteristic pungent, penetrating odor ...
|
Answer verified with
|
HighBeam gives you access to newspaper, magazine, and trade journal articles plus press releases, facts, information, and biographies from thousands of sources.