Final answer:
Sorbic acid is the chemical used to preserve food products by lowering microbial intracellular pH.
Explanation:
Sorbic acid is the chemical used to preserve food products by forming carbonic acid and lowering the intracellular pH of microbial cells. It inhibits enzymes or reduces intracellular pH in foods. This helps prevent microbial growth and spoilage in acidic foods.
Learn more about food preservation here:
https://brainly.com/question/47835714
