Video: Cov xim puas yog colloid?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Xim yog ib hom kev sib tov hu ua a colloid . Hauv ib colloid , cov khoom ntawm ib yam khoom sib xyaw thiab tawg nrog cov khoom ntawm lwm yam khoom - tab sis lawv tsis yaj hauv nws. Hauv ib pleev xim lub pigmanet yog dispersed nyob rau hauv cov kua los ntawm kev khi nruab nrab thiab solventssolution.
Yog li ntawd, yog xim pleev xim rau colloid lossis raug tshem tawm?
Particle hauv kev ncua tuaj yeem pom nrog qhov muag liab qab. A pleev xim yog ib qho colloid ncua kev kawm ntawv los yog colloids . Hauv pleev xim , cov xim yog dispersed nyob rau hauv cov kuab tshuaj tab sis lawv tsis yaj nyob rau hauv nws.
Ib tug kuj yuav nug, hom colloid yog xim dab tsi? Ib sol a colloid ua tawm ntawm me me solidparticles nyob rau hauv ib tug nruam kua nruab nrab. Sols yog qhov ruaj khov heev thiab qhia cov nyhuv Tyndall. Piv txwv suav nrog ntshav, pigmentedink, cell kua, pleev xim , antacides thiab av nkos.
Tsis tas li ntawd, cov xim puas yog ib qho piv txwv ntawm colloid?
Hom ntawm Colloids Cov muaj nyob rau hauv lub neej txhua hnub. Ib txhia piv txwv xws li whipped cream, mayonnaise, mis nyuj, butter, gelatin, jelly, av nkos dej, plaster, xim iav, thiab ntawv.
Cov ntsia thawv polish puas yog colloid?
pos huab, aerosol sprays, khau raj polish , ntsia thawv polish , cua, mis, yog colloids . txiv hmab txiv ntoo zaub xam lav, roj thiab dej, yog cov piv txwv ntawm kev ncua. Ntshav, hmoov txhuv nplej siab, tooj dag, dej qab zib, kas fes dub, number case yog cov piv txwv ntawm kev daws. Fog, tshuaj tsuag aerosol, khau raj polish , ntsia thawv polish , huab cua, mis nyuj yog cov piv txwv ntawm colloidol dispersion..
Pom zoo:
Dab tsi ua rau colloid ua colloid?
Nyob rau hauv chemistry, ib tug colloid yog ib tug sib tov nyob rau hauv uas ib yam khoom ntawm microscopically dispersed insoluble los yog soluble hais raug tshem tawm thoob plaws lwm yam khoom. Yuav kom tsim nyog raws li ib tug colloid, qhov sib tov yuav tsum yog ib qho uas tsis khom los yog yuav siv sij hawm ntev heev los khom nqi
Puas yog cov plaub hau daj lossis cov plaub hau xim av muaj ntau dua?
Cov plaub hau xim av yog qhov tseem ceeb tshaj cov plaub hau daj. Cov me nyuam uas muaj ib tug xim av-haired allele thiab ib tug blonde-haired allele yuav nthuav cov plaub hau xim av thiab. Tsuas yog cov uas muaj ob lub ntsej muag plaub hau daj yuav muaj cov plaub hau daj
Puas yog cov tshuaj pleev xim sib xyaw cov tshuaj tiv thaiv?
Tsis yog txhua qhov kev hloov xim qhia tias muaj tshuaj lom neeg. Kev sib xyaw xim tsuas yog hloov lub cev. Tsis muaj cov khoom tshiab tsim. Vim hais tias lub cev thiab tshuaj pleev xim ntawm cov xim siv los ua xim sib txawv, tus nqi thiab qhov deb ntawm lawv mus raws li daim ntawv so ntswg sib txawv, ua rau cov xim sib txawv
Cov xim dab tsi yog cov hlwb feem ntau ua ntej siv thawj cov xim rau cov txheej txheem Gram stain?
Ua ntej, siv lead ua violet, thawj stain, yog siv rau lub tshav kub-tso smear, muab tag nrho cov hlwb xim liab
Dab tsi xim kuv yuav tsum pleev xim rau kuv cov pob txha ntoo ntoo?
Ua kom sov Tones Qhov zoo tshaj plaws sov xim palettes rau knotty ntoo thuv siv tones ntawm daj ochre, burnt txiv kab ntxwv los yog cib liab. Cov tones sov tuaj yeem tinted nrog dawb thaum chav tsev xav tau cov xim sib dua. Cov xim no txuas lub ntuj sov ntawm cov ntoo tones, ntxiv kev nplua nuj thiab kev muaj sia nyob rau qhov chaw