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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9

Explain any two methods of food preservation. - Science

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Question

Explain any two methods of food preservation.

Short Note

Solution

  1. SMOKING:
    Food products like Meat and Fish are exposed to smoke. The drying action of the smoke tends to preserve the food.
  2. Use of Inert gas:
    Nitrogen gas is filled in air tight packets of Potato wafers and other products. It prevents the growth of fungus and insects in them.
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Chapter 21: Nutrition and Health - Exercise [Page 256]

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Samacheer Kalvi Science [English] Class 9 TN Board
Chapter 21 Nutrition and Health
Exercise | Q IX. 7. | Page 256
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