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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

8下1-2化學反應的微觀世界2
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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?

(H22

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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