Question

(4) Collect information and make a note on how food is preserved in your home​

Answer 1

Answer:

Here is your answer

Explanation:

food can be preserved by dofferent ways

(1)Chemical method:food can be preserved by certain chemicals which can stop the growth of microorganisms in our food.these chemiclas remove oxygen from the food and prevent from microbial growth.

(2)Preservation by comman salt: meat and fish are covered with salt to prevent the growth of microbes.salting draws out water from the food.this process is used to preseeve amla,raw mangoes amd many more.

(3)preservation by heating: Heating kills many microoraganisms and prevent the food from spoilage.for example we can prevant the spoilage of milk for long time by doing this process is called pasteurisation.

(4)Canning or vaccum packing:The process in which the food is first heated and then packed in a air tight cans to prevent reinfection by microorganisms.this air free packing is called vaccum packing.

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