Chapter 3 : Metals and Non-metals
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Chapter Notes
Chapter 3: Metals and Non-metals provides a comparative study of elements based on their physical and chemical properties. Students learn about the reactivity of metals through the Reactivity Series, which helps predict how metals interact with water, acids, and other metal salts. The formation of Ionic Bonds is explained through electron transfer. The chapter also covers the principles of Metallurgy—the extraction of metals from their ores—detailing steps like enrichment, roasting, calcination, and refining. Finally, it addresses the issue of Corrosion of metals like iron, copper, and silver, and discusses methods to prevent it, such as galvanization and alloying.
Chapter 3: Metals and Non-metals provides a comparative study of elements based on their physical and chemical properties. Students learn about the reactivity of metals through the Reactivity Series, which helps predict how metals interact with water, acids, and other metal salts. The formation of Ionic Bonds is explained through electron transfer. The chapter also covers the principles of Metallurgy—the extraction of metals from their ores—detailing steps like enrichment, roasting, calcination, and refining. Finally, it addresses the issue of Corrosion of metals like iron, copper, and silver, and discusses methods to prevent it, such as galvanization and alloying.
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