Precipice thawj txhais tau tias "lub caij nplooj zeeg tam sim no lossis taub hau," a meaning now obsolete in English. … Tom qab tag nrho, “kev tshem tawm cov khoom ua kua los ntawm cov pa luam yeeb lossis roj,” uas yog, tsim cov dej nag (“ib yam khoom sib cais los ntawm kev daws”) yog cov ntsiab lus tseem ceeb tshaj plaws ntawm nag.
nag lossis nag yog qhov qub?
Hauv cov tshuaj aqueous, nag lossis daus yog txheej txheem ntawm kev hloov cov tshuaj yaj mus rau hauv cov khoom tsis sib xws los ntawm cov tshuaj super-saturated. Cov khoom tsim yog hu ua precipitate.
Yuav siv lo lus nag los li cas?
Precipitate hauv kab lus ?
- Kev nce qib ntawm kev poob haujlwm yuav ua rau muaj neeg coob coob ntawm lub chaw saib xyuas kev noj qab haus huv.
- Txawm tias Mark tab tom mob pob taws, nws tsis tuaj yeem xav txog txhua yam uas nws tau ua kom ua rau raug mob.
hom lus dab tsi yog nag lossis daus?
precipitation noun [U] (RAIN)
dej uas ntog saum huab los rau hauv av, tshwj xeeb tshaj yog nag lossis daus: Hail thiab slet yog hom dej nag.
precipitate muab piv txwv yog dab tsi?
A nag lossis daus yog ib qho khoom uas tsim tawm ntawm cov tshuaj. Ib qho piv txwv yog qhov sib xyaw ntawm ob txoj kev daws teeb meem: Silver nitrate (AgNO3) thiab sodium chloride (NaCl): AgNO3(aq) + NaCl(aq) →AgCl(s)↓ +NaNO3(aq) Cov ntaub ntawv precipitate vim cov khoom (AgCl) insoluble hauv dej.
