Which acid is present in sour milk?

Correct option is D

The correct answer is (d) Lactic Acid.
· Lactic acid is present in sour milk. It is formed by the fermentation of lactose (milk sugar) by lactic acid bacteria, such as Lactobacillus. This process gives sour milk its characteristic tangy taste.
Information Booster:
· Citric Acid: Found in citrus fruits like lemons and oranges, not in sour milk.
· Acetic Acid: The main component of vinegar, not related to sour milk.
· Glycolic Acid: An alpha hydroxy acid (AHA) used in skincare products, not present in sour milk.