https://diler.tube/videos/watch/cb7362f7-7694-4e02-9121-7290f72952ab Explore how alkali materials, which turn red litmus paper blue, are defined through different chemical theories including Arrhenius, Lewis, and Brønsted-Lowry. Learn about the pH scale, indicators like phenolphthalein, and the distinction between strong and weak alkalies, such as cleaning products and ammonia. Sat, 14 Nov 2026 00:37:55 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://diler.tube https://diler.tube/lazy-static/avatars/f58b270a-6076-478a-ad43-3888a532ecb4.png https://diler.tube/videos/watch/cb7362f7-7694-4e02-9121-7290f72952ab All rights reserved, unless otherwise specified in the terms specified at https://diler.tube/about and potential licenses granted by each content's rightholder.