| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| A redox reaction is one in which this, a gain of electrons, & oxidation, a loss of electrons, go on simultaneously | reduction | $800 | DJ | CHEMISTRY | 2015-12-03 | #7184 | |
| A redox reaction combines oxidation & this, which confusingly refers to a substance gaining electrons | reduction | $1,600 | DJ | CHEMISTRY | 2004-03-11 | #4499 | |
| The processes of oxidation, a loss of electrons, & this, a gain of electrons, usually occur together | reduction | $1,000 | DJ | CHEMISTRY | 1994-02-21 | #2186 |