
801二段複習
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Medium
潘宜欣 潘宜欣
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33 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者不能作為反應速率的表示法?
單位時間內生成物生成量
單位時間內反應物消耗量
反應結束後反應物的產量多寡
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
大理岩與稀鹽酸反應產生什麼氣體?
氫氣
氧氣
一氧化碳
二氧化碳
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
請問何者冒出氣泡的速率最快?
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
為何將固態反應物配製成水溶液可以加快反應速率?
增加反應物的原子數
增加反應物的濃度
提高反應時的溫度
增加反應物的接觸面積
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
對於催化劑的敘述,下列何者錯誤?
能改變反應速率
化學反應式中,常標記於箭頭上下方
不是反應物也不是生成物
反應後質量減少
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列的操作,何者不一定會加快反應速率?
加入催化劑
將反應物配製成溶液
提高反應溫度
增加反應物的濃度
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
當化學反應達到平衡後,下列關於正反應與逆反應的敘述,何者正確?
正反應會停止
逆反應會停止
正、逆反應仍持續進行
正、逆反應均會停止
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