1. stomach
2. tomato
3. lemon
4. milk
5. soap
6. vinegar
7. tamarind
8. orange
9. nettle sting
10. ant sting

PLEASE MARK AS A BRAINLIEST

1.The common salt used to season our food is NaCl .

2.Baking Soda is a base.

3. Lemon has citric acid.

4. Household Vinegars has pH 5 so therefore it is slightly acidic.

5. apples contain malic acid.

6. Milk has lactic acid.

7. pineapples (pH: 3.20–4.00) so it is acidic.

8. Oranges have have citric and ascorbic acids

9. Yogurt has lactic acid.

10. Strawberries contain five different acids: citric acid, ascorbic acid, malic acid, ellagic acid and pantothenic acid.

Hope this helps (: