1. Ọ na-akpasu iwe na akụkụ okuku ume na elu. O nwere mmetụta siri ike, na-ewe iwe na mmetụta uche na anụahụ. Nwere ike ibute ihe na anya. Ọ bụ ihe na-egbu egbu, mgbawa, iwe iwe, na mmetụta.
2. Kwụsị akwụghị ụgwọ
3. Akpachapụghị anya: Ndị na-ebelata, acid, alkalis, mmanya
4. Ọnọdụ iji zere ịkpọtụrụ ọkụ, ọkụ, esemokwu, mkpọtụ
5. Ihe egwu polymerization, enweghị polymerization
6. Mbibi carbon dioxide, benzoic acid, benzone, phenyl benzoate