Question

1. To know about the different methods of preservation.

a) Collect the wrappers of frozen and canned food items and milk. List the various preservatives.

b) Find about the preservatives that we use to preserve the food items in our house.

c) List down the food items that are generally spoiled by the presence of bacteria.​

Answer 1

(a) Collect the wrappers of frozen and canned food items & milk. List the various preservatives.

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