Cheats uas tsis yooj yim rau hauv cov thawv yas

1. Nws yog cov siab sib nqus molecular organic compound;

2, lub thoob roj hmab yas tuaj yeem muaj nyob rau ntau hom xws li cov khoom ua kua colloidal tov;

3. Lub thoob yas tuaj yeem tsim tau raws li tus neeg siv khoom xav tau;

4. Cov khoom siv tsis siv muaj cov yam ntxwv sib txawv;

5. Cov khoom lag luam muaj ntau haiv neeg;

6, ntau ntau yam vim yog muaj ntau hom monomer muaj pes tsawg leeg, uas ua rau muaj plastics sib txawv;

7, tuaj yeem siv cov txheej txheem sib txawv;https://www.fhpails.com/