B4_113_2_第一次段考習作(1-1到3-1)

B4_113_2_第一次段考習作(1-1到3-1)

8th Grade

25 Qs

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B4_113_2_第一次段考習作(1-1到3-1)

B4_113_2_第一次段考習作(1-1到3-1)

Assessment

Quiz

English

8th Grade

Practice Problem

Hard

Created by

chungtsenchen01 chungtsenchen01

Used 2+ times

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

氫氣與氧氣燃燒產生水的化學反應式為:2H₂ +O₂ →2H₂O,已知0.2公克的氫氣與1.6公克的氧氣完全反應後產生X公克的水,請推測X應為何?

1.0
1.8
2.0
2.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

已知碳的原子量為12,請判斷下列敘述何者正確?

1個碳原子的質量為12公克
1莫耳碳原子的質量為12公克
12個碳原子的質量為1公克
1個碳原子的質量為12莫耳

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

根據道耳頓的原子說,請推論下列何者是正確的「氫氣與氧氣完全反應產生水」粒子模型圖?

Media Image
Media Image
Media Image
Media Image

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

已知碳原子量為12,經過實驗測量發現碳原子與X原子的質量比為4:9,請推測X原子的原子量為何?

9.0
18.0
27.0
36.0

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列可燃物燃燒後的產物,何者置於水中後會使紅色石蕊試紙變藍色?

木炭
酒精

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列有關大多數金屬與大多數非金屬物質燃燒的產物溶於水中,其水溶液特性的敘述,何者最恰當?

非金屬氧化物呈酸性,金屬氧化物呈鹼性
非金屬氧化物呈酸性,金屬氧化物亦呈酸性
非金屬氧化物呈鹼性,金屬氧化物亦呈鹼性
非金屬氧化物呈鹼性,金屬氧化物呈酸性

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

將下列物質燃燒後的產物加水攪拌,何者水溶液會呈酸性?

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