Cov txheej txheem:

Dab tsi yog hom kev sib xyaw?
Dab tsi yog hom kev sib xyaw?

Video: Dab tsi yog hom kev sib xyaw?

Video: Dab tsi yog hom kev sib xyaw?
Video: Kev sib hlub yog dlaab tsi, ( Remix By CHEN VANG ) 2024, Lub peb hlis ntuj
Anonim

Cov khoom xyaw tuaj yeem muab faib ua peb hom : ncua sib tov , colloidal tshuaj sib tov los yog kev daws teeb meem, raws li lawv ua ke thiab sib cais. Kev ncua sib tov muaj cov ntsiab lus loj dua, colloidal sib tov muaj ntau qhov me me, thiab cov khoom nyob rau hauv ib qho kev daws kom yaj tag rau hauv cov kuab tshuaj.

Ib yam li ntawd, nws nug, 4 hom kev sib tov yog dab tsi?

Nyob rau hauv cov qeb ntawm homogeneous thiab heterogeneous sib tov muaj ntau hom kev sib xyaw nrog rau kev daws teeb meem , hlau alloys, kev ncua , thiab colloids. Ib qho tshuaj yog ib qho sib tov uas ib qho ntawm cov tshuaj dissolves nyob rau hauv lwm yam. Cov khoom uas yaj yog hu ua daws.

Ib tug kuj yuav nug, dab tsi yog sib tov thiab nws hom? Teb: A sib tov yog kev sib xyaw ua ke ntawm ob lossis ntau yam tshuaj (cov ntsiab lus lossis cov khoom sib txuas) uas tsis ua rau tshuaj lom neeg. Cov khoom xyaw yog ob hom Homogeneous Cov khoom xyaw thiab Heterogeneous sib tov . Homogeneous Cov khoom xyaw : Ib Homogeneous sib tov muaj ib tug uniform composition ntawm nws cov khoom siv thoob plaws nws pawg.

Tom qab ntawd, ib tug kuj nug, dab tsi yog 2 hom kev sib tov?

Muaj ob hom kev sib tov : Heterogeneous thiab Homogeneous.

Dab tsi yog 10 piv txwv ntawm kev sib tov?

Lwm cov kev sib xyaw ua ke

  • Haus luam yeeb thiab pos huab (Smog)
  • Dej thiab av (dej)
  • Xuab zeb, dej thiab pob zeb (Cement)
  • Dej thiab ntsev (Hiav txwv dej)
  • Potassium nitrate, sulfur, thiab carbon (Gunpowder)
  • Oxygen thiab dej (Hiav txwv ua npuas ncauj)
  • Petroleum, hydrocarbons, thiab roj additives (Gasoline)

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