Cooking and Chemical change

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  • Created by: evieq98
  • Created on: 28-01-14 21:32
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  • Cooking and chemical change
    • Chemical and physical changes
      • Chemical changes are irreversible
        • Cooking causes chemical changes
          • Eggs and meats
          • Potatoes
      • Physical changes are just changes of state
    • Cooking
      • Better taste and texture
      • Easier to digest
      • Kills microbes
        • Microbes can cause disease
      • Some foods are poisonous when raw
        • Makes foods edible
    • Baking Powder
      • Chemical change occurs when heated
        • Thermal decomposition
        • A catalyst helps the reaction
      • Sodium hydrogencarbonate


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