
复习 初三上册 复习 part 4
Quiz
•
Science
•
7th - 9th Grade
•
Practice Problem
•
Medium
Sheng Hao Tan
Used 41+ times
FREE Resource
Enhance your content in a minute
21 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
酸雨会腐蚀物品和装饰品,导致物品外观受影响。下列物品或装饰品,不易受酸雨腐蚀的是
大理石雕像
铸铁栏杆
铝合金窗框
塑料制品
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
人类很早以前就发现有些物质能呈现酸性,并为酸性物质进行了归类。下列物质属于酸的是
HCI
Ca(OH)2
MgO
CO
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
实验室常见的三种酸分别是硫酸、盐酸和硝酸。下列说法正确的是
打开盛浓盐酸的试剂瓶,瓶口会产生白雾
将浓硫酸曝露久置在空气中,溶液的浓度会变大
盐酸能使紫色石蕊试液变蓝
实验室可用浓硝酸与铁反应制取氢气
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
氢气有许多用途,其中液氢就可用做推进火箭的燃料,让人类探索外空。液态氢气能作为火箭燃料的原因是
氢气的化学性质穏定
氢气燃烧时放热多
氢气没有颜色
氢气没有气味
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
氢气虽然不是空气中的成分,但因为氢气的性质因素,所以是工业上经常被利用的气体。下列关于氢气的性质的叙述,其中不正确的是
用试管收集氢气,将管口靠近本生灯,如果听到尖锐的爆鸣声,表明氢气不纯
氢气的密度非常小,是世界上已知的最轻的气体
氢气极易溶于水,所以不可以用排水集气法收集氢气
氢气在空气里的燃烧,实际上是与空气里的氧气发生反应,生成水
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
餐饮班的学生在厨房里负责今日教师节的美食,其中最受好评的是涂上人造奶油的小点心。将液态棕油制成固态的人造奶油(硬化油)所用的方法是
催化加氢
冷冻处理
乳化作用
氧化作用
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
义卖会中,林老师带领科学小组制作氢气售卖氢气球。实验室中氢气可以用()制取。
铜和稀硫酸
铁屑和盐酸
锌和硝酸
氧化锌和盐酸
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
18 questions
科学初二上册 第 7 章 人体的激素调节
Quiz
•
8th Grade
16 questions
IS_Section Quiz_5.2_c
Quiz
•
7th Grade
20 questions
三年级科学室规则
Quiz
•
1st - 12th Grade
25 questions
科学初一下册Ch07生物的生殖
Quiz
•
8th - 12th Grade
20 questions
六年级 科学 第九课 废物
Quiz
•
6th - 8th Grade
20 questions
一年级科学 生物和非生物
Quiz
•
KG - Professional Dev...
20 questions
J3_单元2(一)
Quiz
•
9th Grade
20 questions
第8章 食物与营养
Quiz
•
9th 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
Physical and Chemical Changes
Quiz
•
8th Grade
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
Galaxies
Quiz
•
8th Grade
20 questions
genetics, punnett squares, heredity
Quiz
•
7th Grade
22 questions
Plate Tectonics
Lesson
•
6th - 8th Grade
10 questions
Unit 2: LS.Bio.1.5-LS.Bio.2.2 Power Vocab
Quiz
•
9th - 12th Grade
