The chemicals have to be in contact with each other in order for any type of chemical reaction to take place. One of the most common examples of a chemical reaction is the rusting of a fence. The combining of the metal and the oxygen causes bonds to break and new ones to be created, which results in the creation of iron oxide or rust.
The ear canal cleans itself with a waxy secretion called cerumen. Cerumen is resistant to water, sticky (to trap dust) and migrates out of the ear canal to self-clean the ear. Sometimes, the wax builds up and causes symptoms, including mild deafness and a sensation of fullness inside the ear.
Earwax is a normal product of our ears. It is a mixture of cerumen (wax), oil, sweat, and dead skin cells that is produced in the outer 1/3 of the ear canal. Although many consider ear wax to be a nuisance, it serves two important purposes: it lubricates the ear canal and acts as an antibacterial agent.hat can go wrong? 1  Wax can occlude the ear canal, causing hearing impairment, and a feeling of fullness. 2  Wax can trap bacteria in the ear, causing an infection. 3  It can obscure vision when the doctor looks in your ears, possibly hiding a dangerous process (such as cholesteatoma â a erosive cyst of the eardrum). 4  Wax can cause hearing aids to ...