Assertion: ammonia | /r/HasProperty | odorless
Facets:
value: in trace amounts
type: OTHER
Source sentences:
text: In trace amounts, ammonia is odorless and colorless, so the only way for an aquaculturist to know if it is there is to test the water.
text: As previously mentioned, it is colorless and odorless, so the only way to know if it is present is to test for it.