Here are the filled-in blanks:
- The pH measures how acidic or basic a substance is.
- The pH scale ranges from 0 to 14.
- If a solution has a pH of 7, it is considered neutral.
- A pH less than 7 is considered acidic, with numbers indicating strong acids.
- A pH greater than 7 is considered basic, with numbers indicating strong bases.
- Water is considered a(n) neutral substance.
- Most food substances like tomatoes, lemons, and milk are acidic.
- Most cleaning substances like soap and bleach are basic.