Video: Dab tsi yog cov khoom sib xyaw?
2024 Tus sau: Edward Hancock | [email protected]. Kawg hloov kho: 2023-12-16 01:32
Hauv chemistry, a sib tov yog ib yam khoom uas ua los ntawm ob lossis ntau qhov sib txawv tshuaj uas yog lub cev ua ke. A sib tov yog lub cev ua ke ntawm ob lossis ntau dua tshuaj nyob rau hauv uas cov cim tau khaws cia thiab sib xyaw ua ke hauv cov kev daws teeb meem, kev ncua thiab cov colloids.
Ib yam li ntawd ib tug yuav nug, dab tsi yog piv txwv ntawm kev sib tov?
Cov ntsiab lus tseem ceeb: Sib tov A sib tov yog tsim los ntawm kev sib txuas ob lossis ntau yam khoom. Piv txwv ntawm homogeneous sib tov xws li av, saline tov, feem ntau alloys, thiab bitumen. Piv txwv ntawm heterogeneous sib tov suav nrog xuab zeb, roj thiab dej, thiab nqaij qaib noodle kua zaub.
Ib yam li ntawd, qee qhov piv txwv ntawm cov khoom sib tov thiab cov khoom ntshiab yog dab tsi? 3. Piv txwv ntawm cov khoom sib xyaw thiab PureSubstances
- 3.1. Qee qhov piv txwv ntawm Cov Khoom Ntshiab yog dej, pob zeb diamond, ntsev, qab zib, thiab tin.
- 3.2. Qee qhov piv txwv ntawm kev sib tov yog av nkos, dej thiab zaub mov xim, dej thiab roj, thiab zoo nkauj npaum li cas cov khoom sib xyaw ua ke nrog lwm tus.
Tsis tas li ntawd, nws puas yog ib yam khoom ntshiab lossis sib xyaw?
Hauv kev nkag siab ntau dua, a cov khoom ntshiab yog homogeneous sib tov . Ntawd yog, nws yog qhov teeb meem uas tshwm sim hauv qhov tsos thiab muaj pes tsawg leeg, txawm tias qhov qauv me me npaum li cas. Piv txwv ntawm cov khoom ntshiab xws li hlau, hlau, thiab dej. Huab cua yog homogeneous sib tov uas feem ntau xav tias yog ib cov khoom ntshiab.
Dab tsi yog qhov sib xyaw hauv science?
A sib tov yog ib yam khoom tsim los ntawm kev sib txuas ob lossis ntau cov ntaub ntawv sib txawv hauv txoj kev uas tsis muaj tshuaj lom neeg tshwm sim. A sib tov feem ntau tuaj yeem muab cais rov qab rau hauv cov khoom qub. Qee qhov piv txwv ntawm sib tov yog ib tug tossedsalad, dej ntsev thiab ib lub hnab sib xyaw ntawm M&M cov khoom qab zib.
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