下列何者是化學變化?
卍 鐵的試煉 卍

Quiz
•
Science
•
6th - 8th Grade
•
Easy
Tzuchieh lai
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
燈泡發光
輪胎爆炸
螢火蟲發光
水蒸發
2.
MULTIPLE SELECT QUESTION
45 sec • 2 pts
下列哪幾種是化學反應的定義?(應選2項)
產生新物質
產生能量變化
原子重新排列組合
相態發生變化
3.
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
分子的總個數
原子的種類
分子的種類
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
請問蠟燭燃燒過程只有化學反應嗎?
是
否
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者不是常見的化學反應現象?
產生沉澱
溫度變化
產生氣泡
產生光線
6.
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?
固態蠟融化成液態
產生熱的火焰
蠟燭顏色改變
蠟油逐漸減少
7.
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
加熱藍色硫酸銅
水蒸發
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