
8下1-2化學反應的微觀世界2
Authored by 王嘉銘 老師
Chemistry
8th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
化學反應中,生成物又可以稱為什麼?
產房
怪物
產物
購物
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
化學反應中,會用什麼符號來表示反應方向?
+
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
化學反應中,若反應物或生成物不只一種時,會用什麼符號來連接?
+
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若物質反應後有2個氫分子(H2),可以如何表示?
(H2)2
4H
H2H2
2H2
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
上方
下方
左方
右方
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
化學反應式是如何產生的?
用想的
用猜的
憑感覺
由實驗驗證而來
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
C+O2的生成物不可能是下列哪一個?
MgO
CO
CO2
2CO
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