7.5 Silver
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7.3 Mercury
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7.1 Copper
7.1 Heavy Metals — Copper | NEB Grade 12 Chemistry 🎯 Learning Outcomes After completion of the chapter, students should be able to: Describe the occurrence and important ores of copper Explain the main steps in the extraction of copper from copper pyrites Describe properties (reaction with air, acids, aqueous ammonia, and metal ions) of…
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7.2 Zinc
7.2 Zinc | NEB Grade 12 Chemistry 🎯 Learning Outcomes By the end of this topic, students should be able to: Describe the occurrence of zinc Describe the extraction of zinc Describe properties (with air, acid, alkali, displacement reaction) State the uses of zinc Explain the chemistry (preparation, properties, and uses) of white vitriol 1…