Nonmetallic oxides or organic compounds that react with water to form acids . For example, SO2, CO2, P2O5, and SO3 are the acid anhydrides of sulfurous, carbonic, phosphoric, and sulfuric acids, ...
A class of organic compounds including sugars and starches. The name comes from the fact that many (but not all) carbohydrates have empirical formula CH2O.
18 用語
