Studies of Heavy Metals – Class 12 Chemistry

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Chapter 7: Studies of Heavy Metals

Contents

NEB Class 12 Chemistry Chapter 7 Studies of Heavy Metals (Copper, Zinc, Mercury, Iron, Silver) Exercise Notes Pdf 2081.

Unit 7. Studies of Heavy Metals (15 hrs)
7.1 Copper
7.1.1 Occurrence and extraction of copper from copper pyrite
7.1.2 Properties (with air, acids, aqueous ammonia, and metal ions) and uses of copper
7.1.3 Chemistry (preparation, properties, and uses) of blue vitriol
7.1.4 Other compounds of copper (red oxide and black oxide of copper) formula and uses only
7.2 Zinc
7.2.1 Occurrence and extraction of zinc from Zinc blende.
7.2.2 Properties (with air, acid, alkali, displacement reaction) and uses of zinc
7.2.3 Chemistry (preparation, properties, and uses) of white vitriol
7.3 Mercury
7.3.1 Occurrence and extraction of mercury from cinnabar
7.3.2 Properties of mercury
7.3.3 Chemistry (preparation, properties, and uses) of calomel and corrosive sublimate
7.4 Iron
7.4.1 Occurrence and extraction of iron
7.4.2 Properties and uses of iron
7.4.3 Manufacture of steel by Basic Oxygen Method and Open Hearth Process
7.4.4 Corrosion of iron and its prevention
7.5 Silver
7.5.1 Occurrence and extraction of silver by cyanide process
7.5.2 Preparation and uses of silver chloride and silver nitrate