Assertion: distilled water | /r/HasProperty | exposed to air
Facets:
value: over time
type: TEMPORAL
Source sentences:
text: You don't generally want to substitute one type of water for the other, but if you have deionized water made from distilled water that has been sitting out exposed to air, it becomes ordinary distilled water.
text: When distilled water is exposed to the air over time, it essentially becomes deionized water.
text: There is some evidence that distilled water does absorb carbon dioxide when exposed to air, and this could conceivably lower the pH to a more acidic level.
text: Caution must be taken, however, as distilled water exposed to air will quickly absorb carbon dioxide and produce carbonic acid.