反應速率與平衡
Quiz
•
Chemistry
•
8th Grade
•
Hard
Used 68+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
化學反應的快慢稱為『反應速率』,常用『單位時間內,_____________或_____________』來表示?
請從下列選出正確答案 (選二)
反應物增加量
反應物消耗量
生成物增加量
生成物消耗量
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
影響反應速率的因素很多,下列哪些變化能『增加反應速率』?
請從下列選出正確答案 (選三)
選擇活性大的反應物
反應溫度降低
把反應物磨碎
稀釋反應物
催化劑
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
影響反應速率的因素很多,下列哪些變化能『減緩反應速率』?
請從下列選出正確答案 (選三)
選擇活性大的反應物
反應溫度降低
把反應物磨碎
稀釋反應物
不加催化劑
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
影響反應速率的因素很多,下列哪些變化能同時改變『反應速率』與『生成物產量』?
請從下列選出正確答案 (選二)
選擇活性大的反應物
反應溫度升高
把反應物磨碎
稀釋反應物
濃縮反應物
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
影響反應速率的因素很多,下列哪些例子屬於『反應溫度』影響反應速率?
請從下列選出正確答案 (選二)
生鏽速率鐵比金快
食物腐敗速率夏天比冬天快
食物保存可以收藏在冰箱
火煤棒的燃燒速率比完整竹筷快
雙氧水碰到傷口的血液出現氣泡
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
影響反應速率的因素很多,下列哪些例子屬於『反應活性』影響反應速率?
請從下列選出正確答案 (選二)
生鏽速率鐵比金快
鎂帶加入鹽酸,濃度高產生氣泡比較快
古代遺蹟保存,青銅器皿比鐵器多
火煤棒的燃燒速率比完整竹筷快
食物腐敗速率夏天比冬天快
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
影響反應速率的因素很多,下列哪些例子屬於『反應接觸表面積』影響反應速率?
請從下列選出正確答案 (選二)
整塊肉煮熟時間比絞肉久
鎂帶加入鹽酸,濃度高產生氣泡比較快
古代遺蹟保存,青銅器皿比鐵器多
火煤棒的燃燒速率比完整竹筷快
食物腐敗速率夏天比冬天快
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