Ammonium bicarbonate is used in the food industry as a leavening agent for flat baked goods, such as cookies and crackers. It was commonly used in the home before modern-day baking powder was made available.
Hydrazine hydrate (HH) is a colorless, fuming, and oily liquid with an ammonia-like odor. HH is used as a reducing agent, an oxygen scavenger in treatment of boiler water, and as a source for drug - hydralazine is an anti-tubercular drug, as well as for agricultural chemicals, and other hydrazine derivatives