Ib yam tseem ceeb ntawm kev sib xyaw yog cov khoom tsis sib xyaw ua ke. Cov khoom sib xyaw tuaj yeem muab faib ua cov sib npaug sib npaug (homogeneous) thiab cov uas tsis yog (heterogeneous). Cov hom kev sib tov yog kev ncua, colloid lossis kev daws.
Puas yog cov sib tov sib xyaw ua ke?
Kev piav qhia: Ib qho sib xyaw yog kev sib xyaw ntawm ob lossis ntau yam tshuaj (hu ua cov khoom sib xyaw) uas txhua yam khoom khaws cia nws tus kheej tshuaj. … Vim tsis yog txhua qhov sib xyaw ua ke, tsis yog txhua qhov sib xyaw yog tov.
Yuav ua li cas txhua qhov sib xyaw ua ke?
zoo li cov tshuaj ntshiab, cov khoom sib xyaw muaj qhia meej cov khoom xws li kub taw tes, qhov hnyav thiab xim, tab sis tsis sib xws rau cov tshuaj ntshiab, lawv tuaj yeem sib cais rau hauv lawv cov khoom thiab lawv cov feem pua. tuaj yeem sib txawv.
Yuav ua li cas yog tus yam ntxwv ntawm kev sib xyaw quizlet?
Qhov twg yog tus yam ntxwv ntawm kev sib tov? Lawv sib raug zoo ua ke. Lawv tuaj yeem muab cais ua cov tshuaj dawb huv. Lawv tau kho qhov sib piv ntawm lawv cov khoom.
3 hom kev sib xyaw yog dab tsi?
Cov khoom sib xyaw tuaj yeem raug cais raws li qhov loj me me rau hauv peb hom: kev daws teeb meem, ncua kev kawm, thiab colloids. Cov khoom sib xyaw ua ke khaws lawv tus kheej lub cev. Cov khoom no tuaj yeem siv los cais cov khoom los ntawm kev lim dej, boiling, lossis lwm yam kev siv lub cevtxheej txheem.
