Cov tshuaj ntxuav qhov cub puas yog cov kua qaub lossis cov hauv paus?
Cov tshuaj ntxuav qhov cub puas yog cov kua qaub lossis cov hauv paus?

Video: Cov tshuaj ntxuav qhov cub puas yog cov kua qaub lossis cov hauv paus?

Video: Cov tshuaj ntxuav qhov cub puas yog cov kua qaub lossis cov hauv paus?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
Anonim

Ntau ntxuav cov khoom, xws li xab npum thiab qhov cub ntxuav , yog hauv paus . Bases neutralize (tso tseg) kua qaub . Alkalis yog hauv paus uas yaj hauv dej. Qhov ntau hydroxide ions a puag muaj, lub zog nws yog.

Ntawm no, feem ntau cov tshuaj ntxuav cov kua qaub lossis cov hauv paus?

pH tuaj yeem yog koj tus phooj ywg lossis tus yeeb ncuab, nyob ntawm seb koj siv koj cov tshuaj ntxuav tes li cas. Thaum cov tshuaj tau yaj hauv dej, qhov sib xyaw ntawm pH tuaj yeem dhau los ua acidic lossis yooj yim (alkaline). Vinegar thiab kua txiv qaub yog acidic tshuaj, thaum ntxhua khaub ncaws thiab ammonia yog qhov yooj yim.

Qhov thib ob, vim li cas feem ntau cov tshuaj ntxuav tsev yog Basic? Feem ntau cov khoom siv tu (piv txwv li xab npum) yog cov ntsev ntawm cov tshuaj tiv thaiv ntawm lub hauv paus muaj zog thiab tsis muaj zog acid. Yog li cov khoom muaj yooj yim khoom. Lawv muaj cov roj carbon ntev ntev uas yog hydrophobic thiab lub taub hau hydrophilic, uas feem ntau Ntawm lub sijhawm muaj sodium lossis potassium ion.

Tsis tas li ntawd, qhov cub huv yog acidic?

Qhov cub huv : pH 11-13 Feem ntau qhov cub ntxuav tsuas yog alkaline raws li ammonia muab lawv lub zog loj los txiav cov roj thiab grime. Ntawm chav kawm, nyob rau sab saum toj ntawm alkaline nplai, kev saib xyuas hnyav yuav tsum tau ua thaum siv qhov cub ntxuav.

Dab tsi yog pH ntawm cov khoom ntxuav feem ntau?

Qhov ze nws tau mus rau 14, qhov siab dua qhov alkaline. Cov tshuaj ntxuav alkaline uas yuav muaj ib pH Qhov sib npaug ntawm 11.5 thiab 12. Pem teb strippers thiab cov zoo li yuav nyob ze rau 13, thiab corrosive caustic soda yuav nyob ntawm 14.

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