1. Nws yog khaus rau txoj kev ua pa sab saud. Nws muaj cov muaj zog, kev txob taus thiab rhiab cov nyhuv ntawm daim tawv. Tuaj yeem ua kev puas tsuaj rau hauv lub qhov muag. Nws yog cov nplaim taws, tawg, muaj kev txob siab heev, thiab cov kev xav.
2. Txav tsis khov
3. Tsis zoo: muaj zog txo cov neeg sawv cev, acids, alkalis, dej cawv
4. Cov xwm txheej kom tsis txhob tiv tauj kub, lub teeb, kev sib txhuam, kev co
5. Polymerization phom sij, tsis muaj polymerization
6. Cov khoom lag luam carbon dioxide, benzoic acid, benzene, penyl belzoate
