
國二上理化Chap2_3 空氣的組成 2024 1029
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Easy
Sone Wang
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
有關鈍氣的敘述,下列何者錯誤?
只有氮、氬、氖三種氣體
在常溫或高溫下不易與金屬反應
焊接金屬時使用氬氣可防止金屬與氧反應
氖氣為霓虹燈內的填充氣體
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
有關以雙氧水和二氧化錳製造氧氣的實驗,下列敘述何者錯誤?
此實驗必須加熱才有反應產生
加入更多的二氧化錳可使反應速率增快
反應剛開始時,橡皮管冒出的氣泡不宜收集
通常用排水集氣法來收集氧氣
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
二氧化碳可以用來滅火,主要和下列哪一性質有關?
助燃
不助燃
微溶於水
無色無味
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
在實驗室中,也可以使用如附圖之裝置製備二氧化碳,操作時應從薊頭漏斗加入何種物質?
稀鹽酸
大理石
雙氧水
二氧化錳
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
關於二氧化碳的敘述,下列何者錯誤?
乾冰為固態二氧化碳
可樂充滿氣泡,是因為可樂內含有二氧化碳
可用澄清石灰水檢驗二氧化碳
二氧化碳具有可燃性及助燃性
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
有關雙氧水製備氧氣及檢驗其性質的實驗,下列敘述何者錯誤?
可加入二氧化錳加速反應
氧氣產生時應立即開始收集
使用排水集氣法收集
氧氣可使線香燃燒更旺盛
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
朝澄清石灰水緩緩吹氣,可觀察到石灰水逐漸呈現白色混濁狀,其原因應為下列何者?
呼出的氣體不溶於水
吹氣的動作使石灰水的成分沉澱出來
二氧化碳與石灰水反應產生不溶於水的物質
氧氣和石灰水反應生成不溶於水的物質
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