https://www.khanacademy.org/science/strengthened-shs-earth-and-space-science-1/x006d5d274c051fd7:earth-s-materials-and-resources/x006d5d274c051fd7:minerals-and-their-uses/v/extraction-of-metals-metals-and-non-metals-chemistry-khan-academy 2020-09-09T12:07:57Z Extraction of metals - Overview Overview of processes used to extract metals from ores. Ram Prakash video https://cdn.kastatic.org/googleusercontent/uioChrurtafXKZ0yuLbLWZBaXkDiEWv5EkOUR_dk8t68KMmDp2e9RpFrx-qKhgja_3JV94Jv-34S0FkHytvC7sgo8g Extraction of metals - Overview Overview of processes used to extract metals from ores. https://cdn.kastatic.org/ka-youtube-converted/1XgIG65b8_4.mp4/1XgIG65b8_4.mp4 364 Occurrence of metals https://www.khanacademy.org/science/strengthened-shs-earth-and-space-science-1/x006d5d274c051fd7:earth-s-materials-and-resources/x006d5d274c051fd7:minerals-and-their-uses/v/roasting-and-calcination-extraction-of-metal-chemistry-khan-academy 2020-09-09T12:07:50Z Roasting and calcination - extraction of metal Sulfide ores are roasted and carbonate ores are calcinated to convert them to oxide. Ram Prakash video https://cdn.kastatic.org/googleusercontent/lrbbOZW2JQsbIDlAeNhO4mYdVjhLl6o8omWCFrmdSkiC5VRCCsYjYLrmLhRchXJ2mFsmgzPFbH01sj05L5H02NXJ Roasting and calcination - extraction of metal Sulfide ores are roasted and carbonate ores are calcinated to convert them to oxide. https://cdn.kastatic.org/ka-youtube-converted/tDampkkeS8Q.mp4/tDampkkeS8Q.mp4 248 Occurrence of metals https://www.khanacademy.org/science/telangana-class-10-physical-sciencein/x1ac9c643dc8dffee:principles-of-metallurgy/x1ac9c643dc8dffee:a-few-important-processes-used-in-metallurgy/e/roasting-and-calcination 2026-03-31T01:02:11.609621879Z Roasting and calcination Let's practice on identify the metal oxides which can be roasted and calcined. Chaitra exercise https://www.khanacademy.org/science/telangana-class-10-physical-sciencein/x1ac9c643dc8dffee:principles-of-metallurgy/x1ac9c643dc8dffee:metallurgy/v/reduction-of-metal-oxides-extraction-of-metals-chemistry-khan-academy 2020-09-09T12:07:51Z Reduction of metal oxides - Extraction of metals Let's look at how to reduce compounds of differently reactive metals. Ram Prakash video https://cdn.kastatic.org/googleusercontent/JdyKEO8ytdFM2znYGpu1hHGYHCq4dRLxZA9jO3rzVG_qktG2FMJCnm8HMvvYtoQ2TodaEntaUrob09Uf0JonSvY Reduction of metal oxides - Extraction of metals Let's look at how to reduce compounds of differently reactive metals. https://cdn.kastatic.org/ka-youtube-converted/YnDIruChpHU.mp4/YnDIruChpHU.mp4 508 Occurrence of metals https://www.khanacademy.org/science/telangana-class-10-physical-sciencein/x1ac9c643dc8dffee:principles-of-metallurgy/x1ac9c643dc8dffee:metallurgy/e/reduction-of-metal-oxide 2026-04-07T23:17:37.123726494Z Reduction method Let's practice on identifying the reducing agent to reduce metal oxide. Chaitra exercise https://www.khanacademy.org/science/up-class-10th-science/x5d08d26681869997:metals-and-non-metals/x5d08d26681869997:occurrence-of-metals/v/electrolytic-refining-of-metals-metals-and-non-metals-chemistry-khan-academy 2020-09-09T12:07:55Z Electrolytic refining of metals Let's see the steps of electrolytic refining. Ram Prakash video https://cdn.kastatic.org/googleusercontent/Kf8avqoSXw_z_5l4EPX-4xXkZu02bUR_xlDOp9sXHDHSpFghydfap9XGOaviwkD9E7QDgIYPExAE0THAZUHj8mRN9g Electrolytic refining of metals Let's see the steps of electrolytic refining. https://cdn.kastatic.org/ka-youtube-converted/zpUIeN48A9c.mp4/zpUIeN48A9c.mp4 764 Occurrence of metals