What methods are used for preservation of food?

1.	What methods are used for preservation of food?
Answer» Various physical and chemical methods are used for preservations of food. Physical methods like, addition of heat, removal of heat, removal of water, irradiation, etc., are used in order to preserve food. Chemical methods like, addition of sugar, salt, vinegar, etc. are employed for preservation of food.

Answer»

Various physical and chemical methods are used for preservations of food.

Physical methods like, addition of heat, removal of heat, removal of water, irradiation, etc., are used in order to preserve food.
Chemical methods like, addition of sugar, salt, vinegar, etc. are employed for preservation of food.

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