Ib qho sib tov yog kev sib xyaw ntawm ob lossis ntau qhov sib txawv. Cov yam ntxwv tseem ceeb ntawm kev sib xyaw yog cov ntaub ntawv 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).
peb yam sib xyaw yog dab tsi?
hais peb yam ntxwv ntawm kev sib xyaw
- Nws tuaj yeem sib cais los ntawm kev siv lub cev.
- Lub cev thiab tshuaj lom neeg thiab muaj pes tsawg leeg ntawm cov khoom tseem nyob tas li.
- Nws yog ib yam khoom tsis huv uas tsis muaj tshuaj formula.
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 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.
YPuas yog dej sib tov?
Sib xyaw thiab cov khoom sib xyaw
Hydrogen thiab oxygen yog ob qho tib si gases. Ua ke, raws li kev sib tov, hydrogen thiab oxygen tuaj yeem hnov mob thiab tsim dej. Dej yog ib qho chaw ntawm hydrogen thiab oxygen. … Cov hydrogen thiab oxygen tau koom ua ke los tsim cov dej tshiab.
