why is citric acid added to food?\no to add color\no to add tartness\no to add bitterness\no to add sweetness

why is citric acid added to food?\no to add color\no to add tartness\no to add bitterness\no to add sweetness
Answer
Brief Explanations:
Citric acid is an organic acid with a tart - acidic taste. It is commonly used in food to impart a tart flavor. It does not add color, bitterness, or sweetness.
Answer:
to add tartness