Puas yog acid nag muaj pH?
Puas yog acid nag muaj pH?

Video: Puas yog acid nag muaj pH?

Video: Puas yog acid nag muaj pH?
Video: Home facial treatment after 50 years. Beautician advice. Anti-aging care for mature skin. 2024, Kaum ib hlis
Anonim

4.0

Ntawm no, yog vim li cas acid nag acidic?

Acid los nag yog tshwm sim los ntawm cov tshuaj tiv thaiv tshuaj uas pib thaum cov tebchaw xws li sulfur dioxide thiab nitrogen oxides raug tso tawm rau saum huab cua. Cov tshuaj no tuaj yeem nce siab heev rau hauv qhov chaw, qhov chaw uas lawv sib xyaw thiab ua rau muaj dej, oxygen, thiab lwm yam tshuaj los tsim ntau dua. acidic pollutants, hu ua kua qaub nag.

Qhov thib ob, qhov pH nyeem ntawm nag lossis daus yog acidic tshaj? Acid los nag , daus , los yog slet nag lossis daus uas yog ntau acidic tshaj dej ntshiab, uas muaj ib pH ua 7.0. Ib txwm nag muaj carbon dioxide, uas ua rau nws me ntsis ntau acidic tshaj dej ntshiab. Cov pH ntawm qhov qub nag yog 5.5. Muaj tseeb kua qaub nag Txawm li cas los xij, tuaj yeem muaj a pH uas qis dua.

Tib neeg kuj nug, qhov twg muaj acidic pH tshaj plaws?

A pH tsawg dua 7 acidic . A pH ntau dua 7 yog qhov yooj yim. Cov pH scale yog logarithmic thiab yog li ntawd, txhua tus tag nrho pH tus nqi qis dua 7 yog kaum npaug ntau dua acidic tshaj tus nqi siab dua tom ntej. Piv txwv li, pH 4 yog kaum npaug acidic tshaj pH 5 thiab 100 zaug (10 zaug 10) ntxiv acidic tshaj pH 6.

Qhov twg yog tam sim no nyob rau hauv siab tshaj plaws nyob rau hauv acid nag?

Sulfuric acid

Pom zoo: