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      Question

      Which is a preservation method in which food sealed in

      container is subjected to elevated temperature for definite period of time
      A Freezing Correct Answer Incorrect Answer
      B Chemical preservation Correct Answer Incorrect Answer
      C Cooking Correct Answer Incorrect Answer
      D Canning Correct Answer Incorrect Answer

      Solution

      Canning is a method of  food preservation  in which food is processed and sealed in an airtight container. Canning provides a  shelf life  that typically ranges from one to three years

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