Puas yog marble teb nrog acid?
Marble, hom metamorphic pob zeb feem ntau muaj cov calcite (calcium carbonate), nws yeej hnov mob nrog cov kua qaub, tshwj xeeb yog cov acids muaj zog xws li hydrochloric acid (HCl). Thaum raug cov kua qaub no, marble tuaj yeem ua rau cov tshuaj tiv thaiv hu ua acid etching lossis dissolution, qhov twg calcium carbonate tawg, tso cov pa roj carbon dioxide thiab tawm hauv qab ib qho kev hloov pauv uas yuav tshwm sim dull, pitted, lossis eroded. Cov tshuaj tiv thaiv no qhia txog qhov tseem ceeb ntawm kev zam kom tsis txhob sib cuag nrog cov tshuaj acidic thaum tuav lossis txhim kho cov pob zeb marble kom khaws lawv cov kev zoo nkauj thiab ruaj khov.
