問題(卡面)
解答(卡背)
CE_01_02
Ans: A
The label is flammable (*can act as a fuel);
Hydrogen is flammable.
Oxygen is not a fuel, it only helps fuel to burn / it oxidizes fuel as an ixidant.
Chlorine is toxic and an oxidant; it cannot burn with oxygen; Argon is an inert gas. (inert gas will never be flammable)
| 延後 | -5容易 至 5困難 | |
| 重來 | *1 分鐘 內不再遇上* | 設定難度為 0 |
| 因難 | *15 分鐘 內不再遇上* | 設定難度為 5 |
| 良好 | *3 小時 內不再遇上* | 設定難度為 0 |
| 容易 | *3 日不再遇上* | 設定難度為 -3 |
| 良好 | 日 | 設定難度為 -5 |