Why are pickles not wrapped in aluminium foil?

Answer 1

acidity in the pickles

Answer 2

Pickles are not typically wrapped in aluminum foil because they are already preserved in vinegar or brine, making them less likely to spoil or become contaminated. Additionally, pickles are often stored in jars or containers with tight-fitting lids to maintain their freshness and prevent exposure to air. Wrapping them in aluminum foil may not provide any additional benefit.