Yuav ua li cas tshwm sim yog tias koj tov cov kua qaub uas muaj zog sib npaug?
Yuav ua li cas tshwm sim yog tias koj tov cov kua qaub uas muaj zog sib npaug?

Video: Yuav ua li cas tshwm sim yog tias koj tov cov kua qaub uas muaj zog sib npaug?

Video: Yuav ua li cas tshwm sim yog tias koj tov cov kua qaub uas muaj zog sib npaug?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
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Yuav ua li cas yuav tshwm sim yog tias koj tov ib tug muaj zog acid nrog ib tug sib npaug zos puag ? Koj yuav pom cov tshuaj tiv thaiv tawg. Cov acid yuav rhuav tshem cov puag . Cov base yuav rhuav tshem cov kua qaub.

Cov lus nug tseem yog, yuav ua li cas thaum koj sib tov cov kua qaub thiab lub hauv paus ua ke?

Thaum ib acid thiab base muab tso rau ua ke , lawv teb rau neutralize lub kua qaub thiab puag khoom, ua ib tug ntsev. Lub H(+) cation ntawm lub kua qaub ua ke nrog OH(-) anion ntawm lub puag tsim dej. Lub compound tsim los ntawm cation ntawm lub puag thiab anion ntawm lub kua qaub hu ua ntsev.

Ib yam li ntawd, qhov zoo tshaj pH ntawm ib lub raj tshuaj txhuam hniav yog dab tsi? pH Nyob rau hauv Mineralizers Koj cov enamel pib demineralize thaum raug a pH qib 5.5. Siv tshuaj txhuam hniav nrog fluoride ib txwm yog ib qho kev xaiv zoo rau koj cov enamel noj qab haus huv (thiab kev saib xyuas qhov ncauj feem ntau). Thaum txog 6.6 ntawm lub pH scale, fluoride yog lub hauv paus tsis muaj zog, uas yuav tsis noj tam sim ntawm koj cov enamel.

Ib sab saum toj no, yuav ua li cas thaum koj sib xyaw HCL cov kua qaub muaj zog nrog NaOH lub hauv paus muaj zog)?

Cov tshuaj tiv thaiv neutralization yog thaum ib qho kua qaub thiab a puag react rau tsim ntsev thiab dej thiab nws koom nrog kev sib xyaw ntawm H + ions 0H- los ua dej. Lub neutralization ntawm a muaj zog acid thiab a tsis muaj zog puag muaj PH tsawg dua 7. Thaum NoaH tshwm sim nrog HCL , NaCl thiab H20 yog tsim. HCL + NaOH ==H20+ NaCl.

Yuav ua li cas thaum koj sib tov ob acids?

Tsis muaj cov tshuaj tiv thaiv uas yuav tshwm sim txhua lub sijhawm koj sib tov ob acids , mas kua qaub tuaj yeem cuam tshuam nrog lwm tus kua qaub . Acid -cov tshuaj tiv thaiv muaj peev xwm ntawm qhov muaj zog kua qaub thiab tsis muaj zog kua qaub (uas ua raws li lub hauv paus), tab sis feem ntau cov no tshwm sim nrog qaug zog kua qaub uas tsis nquag hu kua qaub.

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