精英家教网 > 初中地理 > 题目详情

【题目】下列有关氧气性质的说法中错误的是( )

A.氧气是一种化学性质比较活泼的气体

B.它能跟所有物质发生化学反应

C.在氧化反应中一般都有热量放出

D.氧气能供给呼吸,支持燃烧

【答案】B

【解析】

试题分析:氧气不能跟所有物质发生化学反应。

练习册系列答案
相关习题

科目:初中地理 来源: 题型:

【题目】Thank you for _________ me.

A. helping B. help C. to help D. help

查看答案和解析>>

科目:初中地理 来源: 题型:

【题目】I get up( 起床)___ 7:00 ____ I go to school(上学 ) at 8:00. I have science at___and then I have a rest(休息) at 10:00.___is my favorite subject. I like math because it’s___. Mr. Tan is our math___. I like him very much. I eat___at 12:00. I___like history because it is boring. But I like art and I want ___ an____. I have art on Wednesday at 2:00.

1A. on B. at C. in

2A. because B. but C. and

3A. nine B. eleven C. six

4A. Music B. Math C. English

5A. boring B. difficult C. interesting

6A. teacher B. partner C. classmate

7A. lunch B. breakfast C. dinner

8A. not B. doesn’t C. don’t

9A. be B. to be C. is

10A. artist B. actor C. teacher

查看答案和解析>>

科目:初中地理 来源: 题型:

【题目】19世纪末,物理学家瑞利在研究中发现,从空气中分离得到的氮气密度,与从含氮物质制得的氮气密度有0.0064 kg/m3的差异,他没有放过这一发现,在化学家拉姆塞的合作下,经过十几年的努力,于1894年发现了空气中的氩气。下列说法正确的是________(填序号)

氩是一种化学性质极不活泼的气体;

瑞利从空气中分离的氮气是纯净物;

19世纪末以前,人们认为空气由氧气和氮气组成的;

瑞利发现,从含氮物质制得的氮气密度大于从空气中分离的氮气的密度。

查看答案和解析>>

科目:初中地理 来源: 题型:

【题目】

1a, bat, baseball, she, has

_________________________.

2have, a, you, bat, do, tennis

_________________________?

3good, that sounds

__________________________.

4bat, the, nice, girl, doesn’t, a, have

___________________________.

5play, soccer, let’s

__________________________.

查看答案和解析>>

科目:初中地理 来源: 题型:

【题目】完形填空(10小题,每小题1分,共10分)

Hey, boys and girls! 1 morning. My name 2 Eric. I 3 12 years old(岁). I have 4 ID card. Its 5 is 3367753. Miss Wang is our Chinese teacher. 6 is very nice. We all like her very much. Whats 7 telephone number? Oh, 8 6207654. If(如果) you have some questions, you can call her. She likes 9 very much. Her pen is blue. Her ruler is blue, too. Can you tell me what 10 you like? Red, white or green?

【1】 A. OK B. good C. nice D. good

【2】 A. be B. are C. is D. am

【3】 A. am B. is C. are D. be

【4】 A. a B. an C. the D. /

【5】 A. name B. number C. card D. ID

【6】 A. She B. Her C. Miss D. His

【7】 A. she B. her C. him D. his

【8】 A. it B. its C. its D. is

【9】 A. white B. green C. red D. blue

【10】 A. color B. ruler C. pen D. orange

查看答案和解析>>

科目:初中地理 来源: 题型:

【题目】Do you have __________ ping-pong ball?

—No. I dont like sports. I like playing __________ guitar.

A. a; / B. a; the C. the; / D. the; the

查看答案和解析>>

科目:初中地理 来源: 题型:

【题目】—Are you __________?

—Yes, I am.

A. a musician B. musicians C. musician D. A and B

查看答案和解析>>

科目:初中地理 来源: 题型:

【题目】We have to __________ the questions before answering them.

A. look after B. look up C. look through D. look at

查看答案和解析>>

同步练习册答案