Question
This reaction was discovered and patented by Hans Goldschmidt. For 10 points each:
[10h] Name this reaction that typically uses aluminum and iron oxide as inputs. It is primarily used to weld together railroad tracks without the need for complex equipment.
ANSWER: thermite reaction
[10e] The thermite reaction is an example of these processes, which consist of two half-reactions. These reactions involve the transfer of electrons.
ANSWER: redox reactions [or reduction-oxidation reaction]
[10m] These reactions occur when a compound undergoes a redox reaction with itself. In the human body, superoxide undergoes one of these reactions to form hydrogen peroxide and oxygen.
ANSWER: disproportionation [accept dismutation; prompt on dismutase]
<Science - Chemistry>
Data
Summary
| Tournament | Edition | Exact Match? | Heard | PPB | Easy % | Medium % | Hard % |
|---|---|---|---|---|---|---|---|
| 2025 PACE NSC | 06/07/2025 | Y | 42 | 17.38 | 79% | 41% | 55% |