Question

give reason salt and sugar are used for preventing food​

Answer 1

Like salt water also has an osmotic effect i.e. when foods are placed in a concentrated sugar solution water is drawn out of the cells of foods and microorganisms so that microorganisms can no longer survive

Answer 2

Answer:

salt and sugar are used for preserving food like example pickels when the mix with the oil it does not allowed the air to enter which prevent the food from rotting