Ọcha na-egbuke egbuke nke na-elekwasị anya n'ihu, nke dị nro, nke na-esochi ọlaedo, bụ ezigbo ihe na-eduzi okpomọkụ na ọkụ eletrik; anaghị emeghachi omume na mmiri na ikuku oxygen, ọ na-aghọkwa oji mgbe e tinyere ya na ozone, hydrogen sulfide na sọlfọ; Ọ naghị arụ ọrụ nke ọma na ọtụtụ asịd ma ọ bụrụ na e tinye ya na nitric acid na sulfur acid ọkụ. Hydrochloric acid nwere ike imebi elu ma gbazee na alkali hydroxide, peroxide alkali na alkali cyanide n'ikuku ma ọ bụ n'ihu oxygen; Ọtụtụ nnu ọlaọcha na-enwe mmetụta maka ìhè ma anaghị agbaze na ọtụtụ asịd.