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 Acids, Bases and Salts https://www.khanacademy.org/science/odisha-board-preparation-class-10in/x3c214daca98fdd3d:week-1/x3c214daca98fdd3d:acids-bases-and-salts/v/reaction-of-acids-bases 2023-11-30T06:20:11.15616023Z Reaction of acids & bases Let's explore the different reactions of acids and bases. We will cover their reactions with metals, metal carbonates, metal bicarbonates, and their reactions with each other (acid base neutralisation) Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Reaction of acids & bases Let's explore the different reactions of acids and bases. We will cover their reactions with metals, metal carbonates, metal bicarbonates, and their reactions with each other (acid base neutralisation) https://cdn.kastatic.org/ka-youtube-converted/c4_albNQJKk.mp4/c4_albNQJKk.mp4 598 Acids, Bases and Salts https://www.khanacademy.org/science/odisha-board-preparation-class-10in/x3c214daca98fdd3d:week-1/x3c214daca98fdd3d:acids-bases-and-salts/v/common-properties-of-acid-bases-ph-importance 2023-11-30T06:20:11.15616023Z Common properties of acid/bases & pH importance Let's explore some common properties of acids and bases. Let's see how they behave when added to water. We will also understand why they both conduct electricity in water. Finally, we will introduce the idea of pH and explore the pH scale. Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Common properties of acid/bases & pH importance Let's explore some common properties of acids and bases. Let's see how they behave when added to water. We will also understand why they both conduct electricity in water. Finally, we will introduce the idea of pH and explore the pH scale. https://cdn.kastatic.org/ka-youtube-converted/MwxES28lTt0.mp4/MwxES28lTt0.mp4 395 Acids, Bases and Salts https://www.khanacademy.org/science/odia-class-10-physical-sciences/x28e877d8a7566183:acids-bases-and-salts/x28e877d8a7566183:reaction-of-acids-and-bases/v/acid-base-neutralisation-reaction-chemistry-khan-academy 2020-07-21T06:02:36Z Acid base neutralisation reaction Acid and base neutralize each other to form a salt and water. Ram Prakash video https://cdn.kastatic.org/googleusercontent/JZa71Y4bsBd0Mu6w7F7dV6GNmRMJSuiZXQbqJ1aVYRYbkhjyAimiS3jpRt9Rs9A-KTKAqcMBJ-j-ly6tgSz5unRb Acid base neutralisation reaction Acid and base neutralize each other to form a salt and water. https://cdn.kastatic.org/ka-youtube-converted/aXs4gS43rko.mp4/aXs4gS43rko.mp4 461 Acids, Bases and Salts https://www.khanacademy.org/science/biology/water-acids-and-bases/acids-bases-and-ph/v/arrhenius-definition-of-acids-and-bases 2021-03-18T10:33:22Z Arrhenius acids and bases Arrhenius definition of acids and bases. video https://cdn.kastatic.org/googleusercontent/a_GljFGSiDfy3QvzGK82CuCMIpl6itDLMKPD_IA3BomswmLzIRm3-0O3mkJQA7WAZbK5a2tzZuzEPiXUgLAd-jt4 Arrhenius acids and bases Arrhenius definition of acids and bases. https://cdn.kastatic.org/ka-youtube-converted/Y4HzGldIAss.mp4/Y4HzGldIAss.mp4 470 Acids, Bases and Salts https://www.khanacademy.org/science/hs-chemistry/x2613d8165d88df5e:solutions-acids-and-bases/x2613d8165d88df5e:intro-to-acids-and-bases/v/introduction-to-ph 2024-03-19T21:01:49.527176433Z Introduction to pH The pH scale is used to determine the acidity or basicity (alkalinity) of a substance. Acidic substances have pH values below 7, while basic substances have pH values above 7; neutral substances have a pH of 7. The pH scale is logarithmic, so each step represents a 10-fold change in concentration. Sal Khan video https://cdn.kastatic.org/googleusercontent/gH1DSPb-1zyfV6R9fjXld5DWVrmXbb1QVDaBRbvhapDJeuGGoBMuUBLYLYVUr1moO0mQnXTiJqy4oZGuifwVeio Introduction to pH The pH scale is used to determine the acidity or basicity (alkalinity) of a substance. Acidic substances have pH values below 7, while basic substances have pH values above 7; neutral substances have a pH of 7. The pH scale is logarithmic, so each step represents a 10-fold change in concentration. https://cdn.kastatic.org/ka-youtube-converted/oda2K4IFBaE.mp4/oda2K4IFBaE.mp4 322 Acids, Bases and Salts https://www.khanacademy.org/science/odia-class-10-physical-sciences/x28e877d8a7566183:acids-bases-and-salts/x28e877d8a7566183:strength-of-acid-and-base/v/strong-and-weak-acidsbases-acids-bases-and-salts-chemistry-khan-academy 2020-07-21T06:02:26Z Strong and weak acids/bases Strong acids/bases dissociate completely whereas weak acids/bases dissociate partially. Ram Prakash video https://cdn.kastatic.org/googleusercontent/b7B9L9CtCzphWHZbJhrcwa_6VDVxGMVpDFYxVcKkZt1F9uSajRQgS0rEYhj6LALY45FbQZZXAwXXr_KTZFwcbG2y Strong and weak acids/bases Strong acids/bases dissociate completely whereas weak acids/bases dissociate partially. https://cdn.kastatic.org/ka-youtube-converted/HyKNyV0dfTI.mp4/HyKNyV0dfTI.mp4 316 Acids, Bases and Salts https://www.khanacademy.org/science/odia-class-10-physical-sciences/x28e877d8a7566183:acids-bases-and-salts/x28e877d8a7566183:strength-of-acid-and-base/v/strength-of-solution-vs-concentration-acids-bases-and-salts-chemistry-khan-academy 2020-07-21T06:02:34Z Strength of solution vs concentration Strength of an acidic solution depends on the concentration of H+ ions in it. Ram Prakash video https://cdn.kastatic.org/googleusercontent/E8i5hq-4MrbIzec7v8mW27FEZstjVUbe73lCpILGcUypXjGmfUQxYzlMuVRO6ph-mfLHEd6JoBVYeymfrAeqkNuq Strength of solution vs concentration Strength of an acidic solution depends on the concentration of H+ ions in it. https://cdn.kastatic.org/ka-youtube-converted/0J4hLIYnAo0.mp4/0J4hLIYnAo0.mp4 551 Acids, Bases and Salts https://www.khanacademy.org/science/odia-class-10-physical-sciences/x28e877d8a7566183:acids-bases-and-salts/x28e877d8a7566183:strength-of-acid-and-base/v/ph-change-the-concentration-of-hoh-acid-bases-and-salts-chemistry-khan-academy 2020-07-21T06:02:30Z pH change & the concentration of H+/OH- Let's solve problems to see how pH change affects the concentration of H+ and OH- Ram Prakash video https://cdn.kastatic.org/googleusercontent/sxovnUWS2Bjahfg0TLGJUcSXgBHVI-1VLJCTU6_6W3BzcOHQzTPkYFKA6GORHbbzjXCdReriXbdjJwRwYhXi6fxY pH change & the concentration of H+/OH- Let's solve problems to see how pH change affects the concentration of H+ and OH- https://cdn.kastatic.org/ka-youtube-converted/jG7Wr9MIwVQ.mp4/jG7Wr9MIwVQ.mp4 386 Acids, Bases and Salts https://www.khanacademy.org/science/odisha-board-preparation-class-10in/x3c214daca98fdd3d:week-1/x3c214daca98fdd3d:acids-bases-and-salts/v/predict-the-nature-of-salts-acidic-basic-or-neutral 2023-11-30T06:20:11.15616023Z More about salts - Nature of salts Let's learn how to predict whether a salt is acidic, basic, or neutral. To understand this, we need to first learn what strong acids/bases and weak acids/bases are. Then, we will use the neutralisation reaction to predict the nature of these salts. Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw More about salts - Nature of salts Let's learn how to predict whether a salt is acidic, basic, or neutral. To understand this, we need to first learn what strong acids/bases and weak acids/bases are. Then, we will use the neutralisation reaction to predict the nature of these salts. https://cdn.kastatic.org/ka-youtube-converted/rskWxg8aVdk.mp4/rskWxg8aVdk.mp4 383 Acids, Bases and Salts https://www.khanacademy.org/science/shs-physical-science/x0492729e402f0c6b:unit-1-name/x0492729e402f0c6b:chemistry-in-household-and-personal-care-products/v/bleaching-powder-acids-bases-and-salts-chemistry-khan-academy 2020-07-21T06:02:27Z Bleaching powder Let's see how bleaching powder is made and where it's used. Ram Prakash video https://cdn.kastatic.org/googleusercontent/Cmc5Dk2wkWBh9IaB4Rpg4CFE1gzAfvA-hVvxdMehiTugZkieboCZvcjM9EUS2CD0BgrMNdirjavSxnsyOyehEBc Bleaching powder Let's see how bleaching powder is made and where it's used. https://cdn.kastatic.org/ka-youtube-converted/eKqiGlf4XhU.mp4/eKqiGlf4XhU.mp4 374 Acids, Bases and Salts https://www.khanacademy.org/science/shs-physical-science/x0492729e402f0c6b:unit-1-name/x0492729e402f0c6b:chemistry-in-household-and-personal-care-products/v/baking-soda-acids-bases-and-salts-chemistry-khan-academy 2020-07-21T06:02:35Z Baking soda Let's see how is baking soda formed and what are its uses. Ram Prakash video https://cdn.kastatic.org/googleusercontent/pNNEe5ZtQde0LQdA9Bg3p2LPPIZAMcwFpz4Gq9aEbYJu4tK1RrMwWi-bpvk7M0fucI6xzxROVxQut0lBvHYZe1U Baking soda Let's see how is baking soda formed and what are its uses. https://cdn.kastatic.org/ka-youtube-converted/UHRIptTczTI.mp4/UHRIptTczTI.mp4 466 Acids, Bases and Salts https://www.khanacademy.org/science/shs-physical-science/x0492729e402f0c6b:unit-1-name/x0492729e402f0c6b:chemistry-in-household-and-personal-care-products/v/washing-soda 2020-07-21T06:02:26Z Washing soda Let's see how is washing soda formed and what are its uses. video https://cdn.kastatic.org/googleusercontent/dae_bNyKBRs1LzN8bi0q1VvyO4Uh2TftCcN4IW3UbMTRyLESAFwkzaixW5Rd2E96McOtXaMU5gbER6BCZEkCfBM Washing soda Let's see how is washing soda formed and what are its uses. https://cdn.kastatic.org/ka-youtube-converted/SsUemSnD_-M.mp4/SsUemSnD_-M.mp4 385 Acids, Bases and Salts https://www.khanacademy.org/science/odisha-board-preparation-class-10in/x3c214daca98fdd3d:week-1/x3c214daca98fdd3d:acids-bases-and-salts/e/acids-bases-and-salts-in 2026-04-07T22:59:30.107127435Z Acids, Bases and Salts Let's practice vibhor exercise