Vim li cas cov ntawv liab litmus tig xiav hauv hauv paus?
Vim li cas cov ntawv liab litmus tig xiav hauv hauv paus?

Video: Vim li cas cov ntawv liab litmus tig xiav hauv hauv paus?

Video: Vim li cas cov ntawv liab litmus tig xiav hauv hauv paus?
Video: Vim Li Cas Yexus Thiaj Yug Los Hauv Ntiajteb 2024, Kaum ib hlis
Anonim

Liab litmus muaj ib tug tsis muaj zog diprotic acid. 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 liab xim nyob rau hauv ib tug acidic tov.

Ib yam li ntawd, tib neeg nug, vim li cas daim ntawv xiav litmus tig liab?

Blue litmus daim ntawv hloov liab nyob rau hauv acidic mob thiab liab litmus ntawv puv xiav nyob rau hauv tej yam kev mob (piv txwv li alkaline). Cov pigment hauv xiav litmus reacts nrog H + ions thiab kev hloov tshuaj lom neeg yog li cov ntawv cog lus yog 'tuned' kom muaj kev cuam tshuam ntev lub teeb ntawm lub teeb kom tshwm. liab rau peb qhov muag.

Tsis tas li ntawd, yuav ua li cas rau xiav litmus ntawv thaum nws kov lub hauv paus? Thaum twg xiav litmus ntawv yog muab tso rau hauv ib yam khoom uas yog acidic, nws yuav tig mus liab . Txawm li cas los xij, yog tias muab tso rau hauv cov khoom uas yog yooj yim los yog nruab nrab, nws yuav nyob twj ywm xiav . Blue litmus ntawv yog txhais tau tias kuaj tsuas yog acidic pH.

Tsis tas li ntawd, cov hauv paus puas tig liab litmus ntawv xiav?

Bases cuam tshuam cov ntsuas: Liab litmus ntawv hloov xiav nyob rau hauv kev sib cuag nrog a puag . Nws tseem nyob liab thaum nyob rau hauv kev sib cuag nrog ib tug acid los yog nruab nrab kua. Phenolphthalein tig pajin a puag.

Lub hauv paus xim dab tsi tig litmus ntawv?

Bases tig xim ntawm liab litmus paper rau xiav.

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