Some parts are more likely to get infected or have problems. Piercings on your ear lobes usually take about 6-8 weeks to heal. However, piercings on the side of your ear (cartilage) can take anywhere from 4 months to 1 year to heal.
Ammonia is a colorless inorganic compound of nitrogen and hydrogen with the formula NH3, usually in gaseous form with a characteristic pungent odor. Ammonia is irritating to the skin, eyes, nose, throat, and lungs. It is essential for many biological processes and has various industrial applications.
One common exception is ammonia, a base that is not a metal hydroxide. It has the formula NH 3 and is the simplest member of a family of bases called the amines. The conjugate acid of ammonia is the ammonium ion, NH 4 + . Metal hydroxides are named in the same way any other ionic compound is named.