Video: Cov kua txiv qaub puas qhia Tyndall nyhuv?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Tyndall effect yog qhov tshwm sim ntawm tawg ntawm lub teeb los ntawm cov khoom ntawm colloid lossis raug tshem tawm vim tias txoj kev ntawm lub teeb yog illuminated. Txiv qaub kua txiv thiab tincture ofiodine yog homogenous tov los yog muaj tseeb tov kom lawv ua tsis yog qhia tyndall effect . Starch tov yog ib qho colloidalsolution.
Ib yam li ntawd, nws tau nug, qhov kev daws teeb meem twg yuav qhia Tyndall nyhuv?
Qhov no yog vim hais tias colloids muaj kev ncua ntawm cov me me, los ntawm 1 - 1000 nanometers nyob rau hauv qhov loj. ua tau scatter lub teeb ntog rau lawv, ib tug phenomenon hu ua Tyndalleffect . Hauv cov lus nug saum toj no, tsuas yog b) mis nyuj thiab d) hmoov txhuv nplej siab tshuaj qhia Tyndall nyhuv raws li lawv yog colloids.
Qhov thib ob, cov kua mis puas qhia Tyndall nyhuv? Mis thiab hmoov txhuv nplej siab tshuaj yuav qhia tyndalleffect vim lawv yog colloids. Kev tawg ntawm lub teeb los ntawm Colloidal Kev daws teeb meem qhia peb tias cov colloidal particles muaj ntau ntau dua li qhov tseeb daws.
Ib yam li ntawd, tej zaum koj yuav nug, cov pa luam yeeb puas qhia Tyndall effect?
Yog lawm pa luam yeeb qhia Tyndall nyhuv vim nws iscolloid, hu ua aerosol uas muaj cov khoom siv hauv cov pa roj thiab cov khoom tawg tawg ib lub teeb ntawm lub teeb.
Qhov twg tsis qhia Tyndall nyhuv?
(b) mis nyuj thiab (d) starch tov qhia Tyndalleffect vim lawv yog cov tshuaj colloidal. Whereas (a) saltsolution thiab (c) tooj liab sulphate tov yog qhov tseeb tov. Lawv qhov loj me me dhau los ua kom lub teeb tawg. Yog li ntawd lawv tsis showTyndall effect.
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