Assertion: carbonic acid | /r/CapableOf | call air acid
Facets:
value: formerly
type: TEMPORAL
Source sentences:
text: He carbonic acid , Formerly called air acid or air acid, is the only inorganic acid of carbon and has the formula H2CO3.
text: He carbonic acid , Formerly called air acid or air acid, is the only inorganic acid of carbon and has the formula H2CO3.