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.
The chemical formula of ammonium nitrate is NH4NO3: it has two nitrogen (N) atoms, four hydrogen (H) atoms, and three oxygen (O) atoms. Ammonium nitrate contains two ions: one ammonium ion (NH4+) and one nitrate ion (NO3-), so the bond between these two ions is what we call an ionic bond. The structure of the formula of ammonium nitrate is shown in the following illustration: