The correct answer is citric.
- Orange juice contains citric acid due to which tastes sour.
Key Points
- Fruits that contain citric acid are called citrus fruits.
- Citrus fruits are lemon, lime, orange, Grapefruit, etc.
- The formula of citric acid is C6H8O7.
Additional Information
- Oxalic acid is found in tomato.
- Its formula is C2H2O4.
- Formic acid is found in the sting of ants and bees.
- Its formula is CH2O2.
- Acetic acid is found in vinegar.
- Its formula is id CH3COOH.

