Slide 1: Properties Of Zinc

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Corrected Text Slide 1: Properties of Zinc Learning Objectives At the end of this class session, you will have learned about • Physical properties of Zinc • Chemical properties of Zinc Slide 2: Introduction Atomic mass of zinc is 65.37, atomic number is 30, valency is 2 and symbol is Zn. Zinc is positioned in the period number 4 and group number 12 in the periodic table. Zinc blende is the chief ore of zinc. Slide 3: Explanation Physical properties of Zinc Teacher: Good morning, students. Student: Good morning, ma’am. Teacher: Today we are going to learn about the physical properties of zinc. Does anyone know the physical properties of zinc? Student: Yes, ma’am. Zinc is a bluish white metal. Teacher: Very good. Another property of…show more content…
Student 1: Ma’am, what is meant by malleable? Student 2: Ma’am, what is meant by ductile? Teacher: Malleable means adaptable and ductile means flexible. Student: Okay, ma’am. Teacher: Does anyone know whether zinc is a good or bad conductor of heat and electricity? Student:Zinc is a good conductor of heat and electricity, ma’am. Teacher: Very good. Let us see an animation regarding this. Animation_1_Physical properties of Zinc 2. Physical properties: 3. 1. Zinc is a bluish white metal. 4. 2. It is malleable and ductile. 5. 3. It is a good conductor of heat and electricity. Chemical properties of Zinc Teacher: Let us see about chemical properties of zinc. The chemical reactions of zinc include: • Reaction of zinc with air • Reaction of zinc with water • Reaction of zinc with acids • Reaction of zinc with alkalis In this session, let us see about reaction of zinc with air and water. Student: Okay, ma’am. Teacher: Does anyone know the product formed when zinc reacts with air? Student: No, ma’am. Teacher: Okay. Let me tell you. When zinc is heated in air at 773 K, zinc oxide is formed. Can anyone tell the reaction of zinc in air? Student: We don’t know, ma’am. Teacher: Okay. Let me tell
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