What kitchen ingredient is used as a natural preservative for pickles that triggers osmosis by attracting water and driving it across the membrane?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. Kitchen salt.
Salt acts as a natural preservative in pickles by drawing out water through osmosis, which helps prevent microbial growth. It dehydrates bacteria and fungi by pulling water out of their cells, thereby preserving the food for longer durations.