List any seven natural acd ?

1. Citric acid
2. Lactic acid
3. Malic acid
4. Tartaric acid
5. Acetic acid
6. Ascorbic acid (Vitamin C)
7. Folic acid

1. Acetic acid (vinegar)
2. Citric acid (citrus fruits)
3. Lactic acid (fermented foods like yogurt)
4. Malic acid (apples, pears)
5. Oxalic acid (spinach, rhubarb)
6. Tartaric acid (grapes, wine)
7. Uric acid (urine)