Complete pH Values List: Common Substances, Foods & Fluids Guide

Understanding the chemical characteristics of everyday materials, foods, and bodily fluids relies heavily on measuring their acidity or alkalinity. Whether you are studying for competitive exams or exploring general science concepts, having a reliable reference list of pH values is essential. For further practice and study materials, you can check out GK Questions focused on pH values.

Understanding the pH Scale and Fundamentals

The term pH stands for "potential of hydrogen". The standard pH scale spans from 0 to 14, providing a metric to determine how acidic or basic a water-based solution is:

• A pH value below 7 indicates an acidic substance.
• A pH value of exactly 7 indicates a neutral substance.
• A pH value above 7 indicates an alkaline (basic) substance.

Indicators like litmus paper help easily identify these properties in a laboratory setting: blue litmus paper turns red in acidic solutions, whereas red litmus paper turns blue in basic solutions.

pH Values List of Common Substances

To help you navigate through various chemical compounds, biological fluids, and consumable goods, review the structured checklist and reference table below.

Checklist of Recorded pH Levels

• 1. Battery acid: 1.0
• 2. Gastric juice: 1.0 – 3.5
• 3. Soft drink: 2.0 – 4.0
• 4. Lemon Juice: 2.2 – 2.4
• 5. Vinegar: 2.4
• 6. Wine: 2.8
• 7. Lime: 2.8
• 8. Fruit jellies: 2.8- 3.4
• 9. Apple juice: 2.9 – 3.3
• 10. Strawberries: 3.0- 3.5
• 11. Soda Water: 3-4
• 12. Orange juice: 3.7
• 13. Tomato juice: 4.0
• 14. Butter: 5
• 15. Yoghurt: 4- 4.6
• 16. Curd: 4.5-5.5
• 17. Beer: 4.5
• 18. Urine: 4.5-8.0
• 19. Coffee: 5.0
• 20. Cheese: 5.1-5.9
• 21. Tea: 5.5
• 22. Acid Rain: < 5.5
• 23. Peas: 5.8 – 6.4
• 24. Urine(human): 6.0
• 25. Fresh Milk: 6.5- 6.7
• 26. Cow Milk: 6.4-6.8
• 27. Buffalo Milk: 6.7-6.8
• 28. Saliva: 6.2-7.6
• 29. Pure Drinking Water: 7
• 30. Salt: 7
• 31. Copper Sulphate: Greater than 7
• 32. Sugar: More or less than 7
• 33. Blood plasma: 7.35-7.45
• 34. Alcohol: 7.33
• 35. Oxygen: 7.4
• 36. Soap: 7.5-9
• 37. Baking soda: 9
• 38. Oil: 9.0-11.0
• 39. Ammonia: 11
• 40. Bleaching Powder: 11
• 41. Sodium Hydroxide: 13
• 42. Concrete: 13

Detailed Data Table