Koj ua Koh li cas?
Koj ua Koh li cas?

Video: Koj ua Koh li cas?

Video: Koj ua Koh li cas?
Video: Kor Vang -Koj ntxhais hlob hu li cas ne? (Official MV) 16/9/2020 2024, Lub Xya hli ntuj
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Qhov no puas pab tau?

Yog · Tsis yog

Thiaj li, qhov kev xeem KOH ua tiav li cas?

Cov kab mob ntawm daim tawv nqaij KOJ exam yog ib qho yooj yim xeem uas pab kws kho mob txheeb xyuas tus kab mob hu ua fungal ntawm tus neeg tawv nqaij, plaub hau, thiab rau tes. Thaum kws kho mob ua a KOJ exam , lawv nqa daim tawv nqaij, uas lawv muab tso rau hauv poov tshuaj hydroxide ( KOJ ) daws thiab tshuaj xyuas hauv qab tsom iav.

Ntxiv mus, Koh txhais li cas? Qhov txhab ntawm daim tawv nqaij KOJ kev kuaj mob yog ib qho kev kuaj tawv nqaij yooj yim txhawm rau txheeb xyuas yog tias muaj kab mob hauv daim tawv nqaij yog tshwm sim los ntawm cov kab mob hu ua fungus. KOH sawv cev rau potassium (K), oxygen (O), thiab hydrogen (H). Cov ntsiab lus no ua poov tshuaj hydroxide . Dhau qhov kev xeem, KOJ yog siv hauv cov chiv, xab npum mos, roj teeb alkaline, thiab lwm yam khoom lag luam.

Ntxiv mus, qhov kev xeem KOH siv sijhawm ntev npaum li cas?

Cov seem yog tso ncaj qha mus rau lub tshuab tsom me me thiab yog them nrog 10% lossis 20% poov tshuaj hydroxide . Cov swb yog sab laug kom sawv ntsug kom pom tseeb, ib txwm nyob nruab nrab ntawm tsib thiab kaum tsib feeb, txhawm rau txhawm rau yaj cov tawv nqaij ntawm tes, plaub hau, thiab khib nyiab.

Puas yog daim tawv nqaij khaus?

Tib neeg yuav ntsib kev tsis xis nyob me me lossis siab li qhov tawv nqaij coj mus kuaj, tab sis nws yuav tsum tsis yog mob . Muaj qhov pheej hmoo me me los ntshav lossis kis mob tom qab coj mus kuaj.

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