Question

explain chemical preservation of food salt and sugar​

Answer 1

Explanation:

preservation by sugar: jams, jellies and squashes are preserved by sugar. sugar reduces the moisture content which inhibits the growth of bacteria which spoil food.

preservation by common salt: common salt has been used to preserve meat and fish for ages. meat and fish are covered with dry salt to check the growth of bacteria. salting is also used to preserve Amla, raw mangoes, tamarind and etc.