J2_第四章(下)空气的成分
Quiz
•
Science
•
7th Grade
•
Practice Problem
•
Medium
W.Y. Tan
Used 174+ times
FREE Resource
Enhance your content in a minute
15 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
下列气体属于稀有气体的是。。。
氦气
氧气
氮气
二氧化碳
氡气
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
空气中稀有气体的体积约占_______。
21%
78%
0.94%
0.03%
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
稀有气体坐落在元素周期表里的第____族
1
5
13
18
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
下列哪一项叙述是和氮气有关?
制作各种颜色的霓虹灯
无色无味
可合成氮肥
可用来治疗癌症
不很难溶于水
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
a、b、从三个集气瓶中,分别盛有空气、氮气和氧气中的一种气体。用一根燃着的木枝分别插入瓶中,依次观察火焰熄灭、继续燃烧、燃烧得更旺,则瓶中所盛的气体依次是____
氧气、氮气、空气
氮气、氧气、空气
空气、氧气、氮气
氮气、空气、氧气
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列有关空气的说法中,正确的是___。
空气是纯净物
空气中含有各种气体
空气中不含大量微生物和尘埃
空气中各成分气体的比例经常大幅度变化
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若空气中氮气减少,可能发生下列那种现象?
木材剧烈燃烧
食物不再腐烂
氧气大量增加
二氧化碳减少
Create a free account and access millions of resources
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?
Similar Resources on Wayground
10 questions
三年级科学-密度(复习)
Quiz
•
1st - 12th Grade
10 questions
磁铁
Quiz
•
1st - 12th Grade
16 questions
初一科学CHP10
Quiz
•
7th Grade
13 questions
四年级科学(单元7练习1:能)
Quiz
•
1st - 10th Grade
20 questions
声音
Quiz
•
1st - 12th Grade
20 questions
第五章 细胞和生物体 第六章 多生物细胞体的结构
Quiz
•
7th Grade
18 questions
Form 1 - Sains / Science
Quiz
•
7th Grade
15 questions
三年级科学机械滑轮(B)
Quiz
•
1st - 12th Grade
Popular Resources on Wayground
10 questions
Honoring the Significance of Veterans Day
Interactive video
•
6th - 10th Grade
9 questions
FOREST Community of Caring
Lesson
•
1st - 5th Grade
10 questions
Exploring Veterans Day: Facts and Celebrations for Kids
Interactive video
•
6th - 10th Grade
19 questions
Veterans Day
Quiz
•
5th Grade
14 questions
General Technology Use Quiz
Quiz
•
8th Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
15 questions
Circuits, Light Energy, and Forces
Quiz
•
5th Grade
19 questions
Thanksgiving Trivia
Quiz
•
6th Grade
Discover more resources for Science
20 questions
Photosynthesis and Cellular Respiration
Quiz
•
7th Grade
10 questions
Exploring Newton's Laws of Motion
Interactive video
•
6th - 10th Grade
20 questions
Balanced and Unbalanced Forces
Quiz
•
6th - 8th Grade
20 questions
genetics, punnett squares, heredity
Quiz
•
7th Grade
22 questions
Plate Tectonics
Lesson
•
6th - 8th Grade
9 questions
Conduction, Convection, and Radiation
Lesson
•
6th - 8th Grade
15 questions
Calculating, speed, distance and Time
Quiz
•
7th Grade
13 questions
Thermal Equilibrium (7.8B)
Quiz
•
7th Grade
