J2_第四章(下)空气的成分

Quiz
•
Science
•
7th Grade
•
Medium
W.Y. Tan
Used 156+ times
FREE Resource
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
Similar Resources on Wayground
16 questions
J1_第1章(下)声音和耳_01

Quiz
•
7th Grade
20 questions
摩擦力

Quiz
•
1st - 12th Grade
20 questions
一年级科学动物的身体部位

Quiz
•
1st - 12th Grade
12 questions
六年级科学 废物

Quiz
•
6th Grade - University
15 questions
三年级科学:体积

Quiz
•
3rd Grade - Professio...
10 questions
二年级科学(复习:植物和动物)

Quiz
•
1st - 12th Grade
15 questions
科学一年级 人类

Quiz
•
1st - 12th Grade
20 questions
3/4二年级科学

Quiz
•
7th - 8th Grade
Popular Resources on Wayground
10 questions
Video Games

Quiz
•
6th - 12th Grade
10 questions
Lab Safety Procedures and Guidelines

Interactive video
•
6th - 10th Grade
25 questions
Multiplication Facts

Quiz
•
5th Grade
10 questions
UPDATED FOREST Kindness 9-22

Lesson
•
9th - 12th Grade
22 questions
Adding Integers

Quiz
•
6th Grade
15 questions
Subtracting Integers

Quiz
•
7th Grade
20 questions
US Constitution Quiz

Quiz
•
11th Grade
10 questions
Exploring Digital Citizenship Essentials

Interactive video
•
6th - 10th Grade
Discover more resources for Science
10 questions
Exploring the Scientific Method

Interactive video
•
6th - 10th Grade
20 questions
Microscopes

Quiz
•
7th - 8th Grade
17 questions
7.6D Aqueous Solutions

Quiz
•
7th Grade
10 questions
Exploring Chemical and Physical Changes

Interactive video
•
6th - 10th Grade
20 questions
Photosynthesis and Cellular Respiration

Quiz
•
7th Grade
25 questions
Physical and Chemical Changes

Quiz
•
7th Grade
10 questions
Exploring the Basics of Density

Interactive video
•
6th - 10th Grade
16 questions
Photosynthesis and Cellular Respiration Review

Quiz
•
7th Grade