Question

Collect information and make a note on how food is
preserved in your home o​

Answer 1

1) we have to frozen food

2) like we havepicles we ad some salt and store in cuard and refrigreter and use for a year

3) the parathas a sabke kepp in silver foil

etc thes was to way to preserve food

Answer 2

Food Preservation Methods
Chemical Method. Salt and edible oils are two main preservatives which are used since ages to prevent microbial growth. ...
Sugar. Sugar is another common preservative used in jams and jellies. ...
Heat and Cold Methods. ...
Smoking. ...
Canning. ...
Sterilization. ...
Dehydration. ...
Lyophilization.

Hope it helps.