Explanation:

- Tartaric acid is a white, crystalline organic acid.

- Often used as an acidulant.

- Commonly found in grape and lime-flavored drinks, jams, jellies, gelatin desserts, and sour candies.

- Correct Answer.

- Malic acid

- Known for its tart flavor.

- Found in apples and other fruits.

- Used in food and beauty products.

- Oxalic acid

- Found in many plants.

- Not typically used as a food additive.

- Can be toxic in large quantities.

- Ascorbic acid

- Also known as Vitamin C.

- Used as a preservative.

- Adds nutritional value in foods.