
自然2-3
Authored by 林琳林 林琳林
English
8th Grade
Used 4+ times

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19 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列何者是漂白水的主要成分?
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列哪一種金屬無法以煤焦把它從金屬礦中還原出來?
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
金屬錫可由錫礦中的 SnO2 與煤焦反應而得,其反應式為:SnO2+2C → Sn+2CO,則煤焦在此反應的作用為何?(註:煤焦的主要成分為碳(C))〔98. 基測Ⅰ〕
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
不鏽鋼含有下列哪些金屬?
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
除了碳之外,若不考慮成本,理論上還有哪一個元素可以將氧化鐵還原?
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列何者不是常見的氧化劑?
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
煤焦常用來冶煉金屬,其原因下列何者錯誤?
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