
南一國中自然2下_ch1-2
Quiz
•
Science
•
8th Grade
•
Hard
南一 自然
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
附圖是銅在空氣中與氧氣反應的情形,則8克的銅在空氣中完全與氧氣作用,需消耗氧氣多少克?
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
鋼絲絨生鏽質量變大,木炭燃燒後質量變小,關於此敘述,下列何者錯誤?
鋼絲絨與氧氣反應,所以質量變大
木炭燃燒產生CO2溢出,所以質量減小
此二反應都不遵守質量守恆定律
二者都是化學反應
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
假設6公克A物質與30公克B物質反應後僅剩下10公克的B物質,其反應式為3A+B→2C,則產生之C物質為多少公克?
19
26
36
48
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小花操作硫粉燃燒的實驗,測得數據如上,請依表格推算,純硫粉8克完全燃燒,需與多少克的氧氣完全反應?
4
8
6
32
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
碳酸鈣與鹽酸反應,會產生二氧化碳、氯化鈣及水。若取5mol碳酸鈣與足量鹽酸完全反應,產物中含有鈣原子多少莫耳?
1mol
2.5mol
5mol
10mol
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在一密閉空間中,試問此圖所傳達的含意與下列答案何者最為接近?
用來討論是否有催化劑
化學變化前後,總質量不變
討論左右兩邊對溫度的影響
討論左右兩邊顏色對實驗的影響
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