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Class VII-Science-Title 2 (1 DVD Pack)

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₹200.00

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Fibre to Fabric Heat Acids, Bases and Salts Physical & Chemical Changes
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Fibre to Fabric
Heat
Acids, Bases and Salts
Physical & Chemical Changes

  • Introduction
  • Animal Fibres
  • From Fibres to Wool
  • Animals that yield Wool
  • Sheep wool and Indian Breeds of Sheep
  • Processing Fibres into Wool
  • Silk
  • From Cocoon to silk
  • Hot and Cold
  • Reading a Thermometer
  • Laboratory Thermometer
  • Precautions and Transfer of Heat
  • Kinds of Cloths we wear in summer and winter
  • Methods of Transfer of Heat
  • Acids and Bases
  • Indicators
  • Neutralisation
  • Acidity
  • Factory waste
  • Physical Changes
  • Chemical Changes
  • Rusting
  • Crystallisation

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