- Uwe anyị nwere ike ichebe aka gị pụọ na corrosion nke alkalis, alcohols, acetone.ect.
- ỌTỤTỤ OKWU - Ọ dị mma maka nyocha kemịkalụ, nrụpụta igwe, ugbo, ugbo, ihe owuwu, ụlọ ọrụ ụgbọ ala, ubi, ogige, ụlọ ịsa ahụ, ọdọ mmiri, wdg.
- Acid na alkali gburugburu ebe obibi nwere ezigbo ihe mgbochi, na-echebe aka site na kemịkalụ.