Question

a.
are pre
are preserved by the use of oil and vinegar
b. is the process of heat and cold treatment for preserving milk
c The process of conversion of sugar into alcohol is called
d. The process of conversion of free atmospheric nitrogen into useful
nitrogenous compounds is called nitrogen
e. Jellies, squashes and jams are preserved by syrup​

Answer 1

Answer:

a. Pickles

b. Pasteurisation

c. Fermentation/ Alcoholic fermentation

d. Nitrogen fixation

e. Sugar syrup

.........Hope it helps:)........