#cnchemistryUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesSteemitCryptoAcademyNewcomers' CommunitySteemit Feedbackআমার বাংলা ব্লগKorea • 한국 • KR • KOSteem AllianceSTEEM CN/中文Comunidad LatinaWORLD OF XPILARAVLE 일상Beauty of CreativitySteem POD Team#cnchemistryTrendingHotNewPayoutsMutedjyhrt (25)in #cnchemistry • last year酸碱与会变色的指示剂“酸”和“碱”是日常生活中常见的两个化学名词。醋呈酸性，苏打粉呈碱性。通常，酸碱是根据溶液中的氢离子浓度来定义的，与其密切相关的是 pH 值。在 25 摄氏度时，pH 值为 7…
