Compare with addition compound . A hydrate is an addition compound that contains water in weak chemical combination with another compound. A colorless, fuming, corrosive liquid that is a powerful reducing agent. NH 2 NH 2 is used in jet and rocket fuels, and as an intermediate in the manufacture of agricultural, textile, photographic, and industrial chemicals. Compare with alkane , alkene , alkyne , and organic .
Hydrocarbons are organic compounds that contain only hydrogen and carbon.
The simplest hydrocarbons are the alkanes . Compare with hydroxyl . The OH - ion. Compounds containing the OH - ion. Able to absorb moisture from air.