國中自然2下ch2-1氧化反應與活性
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
下列何者不是氧化反應?
鐵的生鏽
鎂的燃燒
呼吸作用
氯化鈣與碳酸鈉反應
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列何種物質的燃燒產物溶於純水後,會使藍色石蕊試紙變紅色?
鎂帶
硫粉
氫氣
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
實驗室中通常把鈉儲藏於礦物油中之理由是下列何者?
鈉對礦物油的活性較大
可隔絕空氣與水分
可增加與空氣接觸
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
中秋節時大雄和宜靜去放煙火,宜靜點燃仙女棒,會有白色強光,則仙女棒中最有可能含有下列哪一種成分?
碳粉
鎂粉
鋅粉
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列何者呈鹼性?
氧化鎂的水溶液
二氧化錳粉末加水
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
利用下列哪種實驗可以探討金屬對氧的活性大小?
硬度大小
酸鹼性
燃燒的難易
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
鈉燃燒時,其火焰顏色為下列何者?
藍色
黃色
無色
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