Yuav Ua Li Cas Tshem Tawm Cov Ncauj Ncauj Mos Pad
Oct 23, 2021
1. Sim ntxuav nrog cawv, nws yuav tsum ua haujlwm zoo. Cov ntxhiab tsw ntawm cov khau roj hmab yog qhov tsis hnov tsw ntawm benzene, uas kuj yog cov organic hnyav thiab yuav tsum muaj peev xwm yaj ib leeg. Benzene yog insoluble hauv dej, tab sis soluble hauv cawv.
2. Siv ib co charcoal rau hlawv. qhwv nws nrog ib daim ntaub thiab muab tso ua ke nrog nas ncoo, lub hom phiaj yog kom cov charcoal nqus cov ntxhiab tsw txawv!
3. Nws yog ib qho tsis hnov tsw, cia li muab tus nas khawm tso rau hauv qhov chaw cua rau ib hnub lossis ob hnub, thiab tom qab ntawd los ze zog kom hnov nws, yog tias nws tseem tsw thiab nws tsis' tsis ploj, muab pov tseg li zoo
Xa kev nug