Vim li cas pyrogallic acid siv?

Cov txheej txheem:

Vim li cas pyrogallic acid siv?
Vim li cas pyrogallic acid siv?

Video: Vim li cas pyrogallic acid siv?

Video: Vim li cas pyrogallic acid siv?
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Pyrogallic acid, lossis pyro, yog siv ua tus tsim tawm hauv cov duab daws teeb meemNws txo cov ntsev kub, nyiaj, Mercury, thiab Platinum rau lawv lub xeev hlau. Cov yam ntxwv no tau pom thawj zaug hauv xyoo 1832 thiab tsis ntev tom qab nws tau siv rau kev txhim kho duab. Pyrogallic acid kuj tseem siv rau hauv kev tsim cov dyes.

Yuav ua li cas ntawm pyrogallic acid hauv kev loj hlob?

Pyrogallic acid absorbs oxygen yog li lub raj xa dej ntawm lub khob B hauv txoj hauv kev uas cov tshuaj tsw qab poob rau hauv lub khob. Nyob rau hauv lub hwj A dai ib lub raj ntawm cov dej ntshiab. Kev soj ntsuam: Cov noob hauv lub khob A germinate vim muaj cov pa oxygen thiab cov noob hauv lub khob B tsis germinate vim pyrogallic acid absorbs oxygen.

YKoj ua li cas pyrogallic acid?

Kev tsim khoom, tshwm sim, tshuaj tiv thaiv

Cov nroj tsuag hauv dej Myriophyllum spicatum tsim cov pyrogallic acid. Thaum nyob rau hauv cov tshuaj alkaline, nws absorbs oxygen los ntawm huab cua, tig xim av los ntawm cov xim tsis muaj xim. Nws tuaj yeem siv rau hauv txoj kev no los xam cov pa oxygen hauv huab cua, tshwj xeeb ntawm kev siv Orsat apparatus.

Puas yog pyrogallol yog cawv?

(a) 1, 2, 3 txoj haujlwm ntawm benzene part.

Leej twg nqus oxygen?

Cob alt muab cov khoom tshiab kom meej meej cov qauv molecular thiab hluav taws xob uas ua rau nws nqus pa oxygen los ntawm nws ib puag ncig. Cov txheej txheem no paub zoo los ntawm txhua yam ua pa hauv ntiaj teb: Tib neeg thiab ntau lwm hom siv hlau, hos lwm yam tsiaj, xws li roob ris thiab kab laug sab, siv tooj.

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