
南一國中自然2下_ch1-1

Quiz
•
Science
•
8th Grade
•
Hard
南一 自然
Used 24+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列反應何者為放熱反應?
鎂帶燃燒
光合作用
加熱碳酸氫鈉
電解水
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者為吸熱反應?
碘昇華為碘蒸氣
氫燃燒生成水
硫酸和水反應
電池內部的化學反應產生了電流
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關化學反應,下列敘述何者正確?
必為吸熱反應
必為放熱反應
有些為吸熱反應,有些為放熱反應
必定發生質量變化
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
鎂帶燃燒是屬於:
吸熱的物理變化
放熱的物理變化
吸熱的化學變化
放熱的化學變化
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
蠟燭在空氣中燃燒,可以藉由什麼現象來觀察是否發生化學變化?
固體蠟熔化成液體
產生熱的火焰
蠟燭顏色改變
蠟油逐漸變少
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
用石灰水檢驗二氧化碳時,所生成的白色混濁物為:
草酸鈣
碳酸鈣
氯化鈣
硫酸鈣
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
物質發生化學變化後,下列何者一定會改變?
原子的總個數
原子的種類
分子的總個數
分子的種類
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