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  3. 4th Class
  4. Science

4th Class Science Sample Paper Science Olympiad Model Test Paper-8

  • question_answer
    Food items cannot be preserved by:

    A) keeping them in air tight containers.

    B) salting.

    C) keeping the food item at tow temperature.

    D) dehydrating the food item.

    E) None of these

    Correct Answer: E

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