| Acids | Bases | ||
| 1. | Lemon | 4. | Baking soda |
| 2. | Antacid | 5. | Vinegar |
| 5. | Tea | 6. | Curd |
A) 3 and 5
B) 2 and 6
C) 3, 4 and 5
D) 2, 5 and 6
Correct Answer: D
Solution :
Lemon contains citric acid. Vinegar contains acetic acid. Tea contains tannic acid. Curd contains lactic acid. So, all of these are acidic in nature. Antacids are basic in nature which neutralize the excess acid generated in the stomach and thus, relieve the person from acidity. Baking soda is sodium bicarbonate which is basic in nature.
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