Here are the substances matched to their approximate pH values:
- Hand soap - 9 to 10 (alkaline)
- Milk - 6.5 to 7 (slightly acidic)
- Blood - 7.4 (slightly alkaline)
- Chicken soup - 6 to 7 (slightly acidic to neutral)
- Battery acid - 1 (very acidic)
- Vomit - 2 to 3 (acidic)
- Coffee - 5 to 6 (acidic)
- Soda pop - 3 to 4 (acidic)
- Orange juice - 3 to 4 (acidic)
- Drain cleaner - 12 to 14 (very alkaline)
Feel free to use this information to complete your matching task!