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Concept mapping

Concept Mapping-Ch-1 (Chemical reactions & Equations)

•1. Colour change
•2. Heat liberation
A] Observations during a chemical reaction •3. Liberation of a gas
•4.Change in state
•5.Formation of precipitate
B] Balancing of Chemical equations Hit & Trial Method

•1. Combination reactions are
usually Exothermic
•2. Decompositionreaction are
usually Endothermic
2.a Thermal
C]TYPES OF CHEMICAL REACTIONS 2.b Electrolytic
2.c.Photolytic
•3. Displacement Reaction
•4. Double Displacement Reaction

•5. Redox Reaction
•1. Rusting Of Iron
•2. Tarnishing of Silver
D]Corrosion •3. Tarnishing of Copper
•4. Corrosion of Al, Mg, & Zn
5. Prevention of corrosion

E] Rancidity Definition & Prevention

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