| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| The core of a quarter is made of this metal | copper | $400 | J | ODDS & ENDS | 1995-01-17 | #2392 | |
| Sterling silver is usually defined as consisting of 92.5% silver & 7.5% this metal | copper | $800 | DJ | POT LUCK | 1990-01-09 | #1237 | |
| To prevent corrosion, most hot water pipes are now made of this | copper | $500 | J | POTPOURRI | 1987-05-28 | #644 |