Q: Is an acid lower or higher than 7 on the ph scale?


Read this paragraph and choose the correct option from the provided answers:

A: The weakest acid on the scale is milk, which has a pH value between 6.5 and 6.8. The strongest base on the scale is liquid drain cleaner, which has a pH of 14.

 Choices:

- exactly 7

- higher than 7

- twice as much as 7

- lower than 7


A:
lower than 7