Question

pickles can be preseved by​

Answer 1

On a most general level, pickles are foods soaked in solutions that help prevent spoilage. The other category includes pickles soaked in a salt brine to encourages fermentation—the growth of "good" bacteria that make a food less vulnerable to "bad" spoilage-causing bacteria.

Answer 2

Here is ur answer:

Pickles can be preserved by adding sugar or salt to it.

hope this will help u!!!