Video: Dab tsi yog acid thiab alkali?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Cov kua qaub thiab alkalis ob leeg muaj ions. Cov kua qaub muaj ntau cov hydrogen ions, uas muaj lub cim H +. Alkalis muaj ntau hydroxide ions, cim OH-. Dej yog nruab nrab vim hais tias tus naj npawb ntawm hydrogen ions sib npaug rau cov hydroxide ions.
Ntxiv mus, dab tsi yog cov tshuaj tiv thaiv ntawm cov kua qaub thiab alkali?
Thaum ib kua qaub reacts nrog ib alkali , ntsev thiab dej yog tsim: kua qaub + alkali → ntsev + dej Ib qho piv txwv: hydrochloric kua qaub + sodium hydroxide → sodium chloride + dej Cov ntsev uas tsim nyob ntawm qhov twg kua qaub thiab qhov twg alkali teb.
Kuj Paub, dab tsi yog acids thiab alkalis siv rau? Peb siv cov kua qaub thiab alkalis nyob rau hauv peb lub neej niaj hnub rau tej yam xws li tu, ua noj thiab koj txawm noj thiab haus tej yam uas yog acidic los yog alkaline. Common lab kua qaub muaj xws li: Hydrochloric kua qaub . Sulfuric kua qaub.
Hauv qhov no, dab tsi yog acids thiab alkalis BBC Bitesize?
H +(aq) + OH -(aq) → H 2O(l) Piv txwv li, hydrochloric kua qaub thiab sodium hydroxide tov teb ua ke los tsim dej thiab sodium chloride tov. Cov kua qaub muaj H + ions thiab Cl – ions, thiab alkali muaj Na + ions thiab OH – ions.
Dab tsi yog alkali?
la?/; los ntawm Arabic: al-qaly " tshauv ntawm saltwort") yog ib qho yooj yim, ionic ntsev ntawm ib qho alkali hlau lossis alkaline ntiaj teb hlau tshuaj lom neeg. Ib alkali kuj tuaj yeem txhais tau tias yog lub hauv paus uas yaj hauv dej. Kev daws ntawm lub hauv paus soluble muaj pH ntau dua 7.0.
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