| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| If your test paper is reading a 7, you know your garden soil's pH is this, neither acidic nor basic | neutral | $800 | DJ | SCIENCE | 2023-07-14 | #8915 | |
| On the pH scale, a pH of 7 indicates this type of solution | Neutral | $500 | J | GENERAL SCIENCE | 2000-07-19 | #3673 | |
| On the typical pH scale, which runs from 0 to 14, 7 indicates this | neutral | $400 | J | GENERAL SCIENCE | 1996-02-16 | #2645 |