Koj ua li cas kuaj cov kua qaub thiab cov hauv paus?
Koj ua li cas kuaj cov kua qaub thiab cov hauv paus?

Video: Koj ua li cas kuaj cov kua qaub thiab cov hauv paus?

Video: Koj ua li cas kuaj cov kua qaub thiab 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

Dip ib kawg ntawm daim ntawv xiav litmus rau hauv cov tshuaj, ces tshem tawm sai sai. Daim ntawv xiav litmus kuaj rau acidic kev daws teeb meem. Nws yuav tam sim tig liab yog tias cov tshuaj yog acidic . Nws yuav nyob xiav yog tias qhov kev daws teeb meem yog nruab nrab lossis yooj yim.

Ntxiv mus, qhov kev xeem ntawm lub hauv paus yog dab tsi?

Rau kuaj lub xub ntiag ntawm a puag Hauv cov khoom, peb tuaj yeem siv acid- puag cov ntsuas xws li ntawv litmus. Yog tias koj dip xiav litmus ntawv rau hauv cov kua qaub, nws cov xim yuav hloov mus rau xim liab thiab vice versa rau cov tshuaj yooj yim. Cov saj ntawm acids thiab hauv paus kuj txawv. Acids yog qaub whereas hauv paus yog iab.

Ib yam li ntawd, qhov kev xeem twg yuav pab Ramesh sib txawv ntawm cov kua qaub thiab lub hauv paus? Litmus ntawv, pH ntawv, ntsuas thiab pH ntsuas ua tau siv rau xeem seb ib yam khoom yog acidic los yog yooj yim. Litmus ntawv yog siv los txiav txim seb puas muaj cov tshuaj aqueous yog acidic (pH7.0) nyob rau hauv cov xwm.

Ib yam li ntawd, qhov ntsuas ntawm cov kua qaub thiab lub hauv paus yog dab tsi?

Acid - lub hauv paus ntsuas yog cov tshuaj siv los txiav txim seb puas muaj cov tshuaj aqueous acidic , nruab nrab, los yog alkaline. Vim tias acidity thiab alkalinity cuam tshuam rau pH, lawv kuj tseem hu ua pH ntsuas . Piv txwv ntawm kua qaub - lub hauv paus ntsuas suav nrog litmus ntawv, phenolphthalein, thiab kua txiv hmab txiv ntoo liab.

Dab tsi yog pH ntawm dej?

pH thiab Dej Cov pH ntawm ntshiab dej yog 7. Feem ntau, dej nrog a pH qis dua 7 yog suav tias yog acidic, thiab nrog a pH ntau dua 7 yog suav tias yog qhov yooj yim. Qhov ib txwm muaj rau pH hauv nto dej systems yog 6.5 rau 8.5, thiab cov pH Qhov nruab nrab ntawm cov dej hauv av yog nruab nrab ntawm 6 txog 8.5.

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