Food Preservation
1)Food poisoning may cause infection. 
  

2)Chemical methods of preservation of jams and squashes use preservatives like and sodium meta bisulphite.

3)reduces moisture in food, which inhibits the growth of microbes that spoil food.

4)Bacteria and fungi cannot live in an environment of oil and vinegar. 
  

5)Sudden chilling of milk is done during pasteurisation to prevent the growth of microbes. 
  

6)Salt acts as preservative in pickles because it checks growth of bacteria by ____.
  

7)Which of the following is preserved by sugar?
  

8)Preservation by oil and vinegar is done for all, except ____.
  

9)Dry fruits and vegetables are sold in sealed air tight packets to ____.
  

10)The working principle for a chemical preservative is to ____.
  


  


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