Kev ncua thiab colloid yog dab tsi?

2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36

Zaj Lus Qhia. Kev ncua thiab colloids yog heterogeneous mix. A kev ncua yog txheeb xyuas tau vim tias nws cov khoom loj thiab nyob ntawm qhov nruab nrab dispersing vim qhov cuam tshuam ntawm lub ntiajteb txawj nqus. Dispersed particles ntawm a colloid yog nruab nrab ntawm qhov loj ntawm cov kev daws teeb meem thiab a kev ncua.

Yog li ntawd, dab tsi yog qhov txawv ntawm lub ncua kev kawm ntawv thiab ib tug colloid?

Colloid : Dispersion system nrog cov kua thiab cov khoom siv, nrog cov khoom loj nruab nrab 1 thiab 100 nm yog hu ua colloid . Kev ncua : Dispersion system nrog cov kua thiab cov khoom tivthaiv, nrog cov khoom loj tshaj 100 nm yog hu ua kev ncua.

Ib yam li ntawd, kev ncua nrog piv txwv yog dab tsi? Kev ncua hauv kev tshawb fawb yog hais txog kev sib xyaw ua ke uas cov khoom siv tsis yaj hauv cov kua dej. Emulsions yog ib hom kev ncua , qhov twg ob immiscible kua yog tov ua ke. Piv txwv ntawm raug tshem tawm Cov kev daws teeb meem suav nrog dej ntsev, xuab zeb hauv dej, thiab dej nkos.

Kuj nug, dab tsi yog cov tshuaj colloid thiab ncua kev kawm ntawv?

Kev ncua , colloids thiab kev daws teeb meem . Hais txog Kev Sau Ntawv. A kev ncua yog ib qho sib xyaw heterogenous uas muaj cov khoom loj uas yuav nyob ntawm qhov sawv. Xuab zeb hauv dej yog ib qho piv txwv ntawm a kev ncua . A daws yog homogenous sib xyaw ntawm ob lossis ntau yam khoom uas ib yam khoom tau yaj rau lwm qhov.

Dab tsi yog 5 piv txwv ntawm kev ncua?

Muab ib co piv txwv ntawm kev ncua . Ans: Common piv txwv ntawm kev ncua suav nrog kev sib xyaw ntawm chalk thiab dej, dej av nkos, kev sib xyaw ntawm hmoov nplej thiab dej, sib xyaw ntawm hmoov av thiab huab cua, pos huab, mis nyuj ntawm magnesia, thiab lwm yam.