https://www.khanacademy.org/science/bridge-course-class-10th-science/x37589313f9a4c197:week-1/x37589313f9a4c197:acids-bases-and-salts/v/litmus-solution-natural-indicator-acids-bases-and-salts-chemistry-khan-academy 2020-07-21T06:02:27Z Litmus solution (Natural indicator) Litmus solution helps us identify solutions as acidic, basic, or neutral. Ram Prakash video https://cdn.kastatic.org/googleusercontent/Y0_d--oSSQ0I1596EcNndn_Nce5PKz0rASYylZQ2IVkm1KqjkuMP_OeQ6O8bjsfv9a5iIWUc-53mmi1XXWT8PSnR Litmus solution (Natural indicator) Litmus solution helps us identify solutions as acidic, basic, or neutral. https://cdn.kastatic.org/ka-youtube-converted/uwfSiFlqt10.mp4/uwfSiFlqt10.mp4 614 Introduction to acids and bases https://www.khanacademy.org/science/bridge-course-class-10th-science/x37589313f9a4c197:week-1/x37589313f9a4c197:acids-bases-and-salts/e/litmus-test 2026-03-06T14:50:39.290513618Z Litmus test Let's practice problems involving testing whether a given substance is acidic or basic using litmus solution. Chaitra exercise https://www.khanacademy.org/science/odia-class-10-physical-sciences/x28e877d8a7566183:acids-bases-and-salts/x28e877d8a7566183:introduction-to-acids-and-bases/e/phenolphthalein-and-methyl-orange-test 2026-03-06T15:00:39.647216277Z Phenolphthalein and methyl orange test Let's practice problems involving testing whether a given substance is acidic or basic using phenolphthalein and methyl orange indicators. exercise