Q. Substance | pH
| Substance
| pH
|
Apples
| 3.0
| Salt
| 7.0
|
Baking soda
| 8.5
| Sugar
| 7.0
|
Black coffee
| 5.0
| Toothpaste
| 9.0
|
Household ammonia
| 12.0
| Vinegar
| 3.0
|
Lemon juice
| 2.5
| Washing soda
| 11.5
|
Milk
| 6.5
| | |
A group of students measured the pH of some substances they found in their homes. Their results are given in the following table:
(a) What would the students have used to measure the pH?
(b) Which solution is the most acidic?
(c) Which solution is the most alkaline?
(d) Which solutions are neutral?
(e) Which solutions can be used to treat wasp stings?
(f) Which solutions can be used to treat bee stings?