國中自然2下ch2-3氧化還原的應用
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Medium
翰林出版國中自然 翰林出版國中自然
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8 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
自然界的鐵大部分是下列何者?
純鐵
鐵的氧化物
鐵的硫化物
鐵的氯化物
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列何者適合用熟鐵製造?
人孔蓋
剪刀
鐵絲
鋼筋
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
市面上販售的鐵鍋,刷洗後若殘留水漬在表面,使用一段時間,常見鍋子表面出現紅褐色的斑點,試推測其原因為何?
鍋子的成分不純,色素溶出
鍋子沒洗乾淨,發霉了
鐵氧化形成了鐵鏽
水對鐵鍋形成了特殊的保護物質
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
已知活性大小:鈉>鐵>鉛>汞>金,則除了碳之外,若不考慮成本,理論上還有哪一個元素可以將氧化鐵還原?
鈉
金
鉛
汞
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列何者是漂白水的主要成分?
氫氧化鈉
次氯酸鈉
雙氧水
食鹽水
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知活性大小:鋁>碳>鋅>鉛>銅,則下列哪一種金屬無法以煤焦把它從金屬礦中還原出來?
銅
鋁
鉛
鋅
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
煤焦常用來冶煉金屬,其原因下列何者錯誤?
價格便宜
容易取得
可冶煉所有的金屬
碳可還原活性小於碳的金屬
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