Video: Dab tsi yog cov tshuaj tiv thaiv ntawm daim ntawv xiav litmus thaum dipped rau hauv cov kua qaub uas muaj tshuaj?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Liab litmus ntawv reacts rau alkaline tshuaj los ntawm kev tig xiav , thaum xiav litmus ntawv reacts rau acidic khoom los ntawm kev tig liab.
Yog li ntawd, yuav ua li cas tshwm sim thaum xiav litmus ntawv yog dipped nyob rau hauv lub hauv paus?
Blue litmus ntawv tig liab nyob rau hauv acidic mob thiab liab litmus ntawv tig xiav nyob rau hauv lub hauv paus los yog alkaline tej yam kev mob, nrog rau cov xim hloov tshwm sim tshaj lub pH 4.5-8.3 ntawm 25 ° C (77 ° F). Nruab nrab ntawv litmus yog ntshav. Litmus tseem tuaj yeem npaj ua cov tshuaj aqueous uas ua haujlwm zoo ib yam.
Kuj Paub, cov kua qaub muaj txiaj ntsig dab tsi ntawm daim ntawv litmus? Daim ntawv xiav litmus yog siv los kuaj cov kua qaub thiab yuav tig xim liab thaum nws los txog rau cov kua qaub. Cov ntawv litmus nruab nrab yog xim liab thiab yuav hloov xim mus rau liab los yog xiav nyob ntawm seb cov kev daws teeb meem yog acidic los yog alkaline.
Ib tug kuj yuav nug, vim li cas cov ntawv litmus tig xiav?
Thaum nws raug rau ib qho kev sib xyaw ua ke, cov hydrogen ions hnov mob nrog cov ntxiv puag . Cov puag , yog li tsim, yog conjugated tig liab litmus rau hauv xiav xim nyob rau hauv ib tug acidic tov thiab cov xiav litmus tig rau hauv cov xim liab hauv cov kua qaub.
Dab tsi xim litmus ntawv tig rau hauv nruab nrab?
ntshav liab
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