107國中自然2下_4-2
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Other
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7th - 9th Grade
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Medium

Yu Liu
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者屬於「可逆反應」?
鐵生鏽
氫氧化鈉與鹽酸反應產生水
燃燒紙錢
氯化亞鈷遇水變成粉紅色
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
對一個已達到平衡的化學反應而言,下列敘述何者正確?
正反應與逆反應均已經停止
反應物與生成物的總莫耳數相等
正反應速率大於逆反應速率
反應物與生成物的濃度維持不變
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在一加蓋的廣口瓶中置入少許的水。若將水的蒸發稱為正反應,則該系統內的逆反應為何?
水蒸氣的凝結
水的凝固
氧氣的溶解
水蒸氣的凝華
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列各項反應,何者有機會達到平衡?
將稀鹽酸倒入未加蓋的廣口瓶中,廣口瓶內放置鎂帶
燃燒蠟燭
將冰塊放置在瓶中並密封
用酒精燈加熱未加蓋燒杯中的水
5.
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、逆反應均會停止
正、逆反應仍持續進行
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者不屬於「動態平衡」的種類?
化學平衡
密閉系統內,水的三態變化
燃燒反應
溶解平衡
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在平衡狀態下,改變下列何者無法造成平衡的變動?
溫度
容器形狀
反應物濃度
生成物濃度
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