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【免费下载】精编天津市武清区英华实验学校20222023学年九年级下学期第一次月考化学试题

  • 2026-02-22 00:36:51
【免费下载】精编天津市武清区英华实验学校20222023学年九年级下学期第一次月考化学试题

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链接: https://pan.baidu.com/s/1gWe2bnjjHRAaQ-ddN45Dhw?pwd=4321 提取码: 4321 

--来自百度网盘超级会员v8的分享天津英华实验学校2022-2023学年度第二学期第一次月练习

九年级化学试题

可能用到的相对原子质量:H1

C12O16Mg24Al27S32Fe56Cu64Zn65N14Na23

一、选择题(每题只有一个选项符合题意,每题2分,共20)

1. 下列变化属于化学变化的是

A. 西瓜榨汁B. 湿衣晾干C. 木柴燃烧D. 河水结冰

2. 今年冬天连续多日的雾霾危害人们的健康,下列措施不利于防治雾霾的是

A. 大力植树造林B. 使用清洁能源

C. 骑自行车出行D. 集中焚烧垃圾

3. 把少量下列物质分别放入水中,充分搅拌,可以得到溶液的是(   )

A. 泥土B. 酒精C. 面粉D. 植物油

4. 下列有关物质的分类正确的是

A. 氧化铜氧化物B. 氢气混合物C. 氧化镁单质D. 碳酸钠

5. 下列叙述正确的是(   )

A. 钙、钠、铁、锌都是人体必需的微量元素

B. 糖类、油脂和蛋白质都能为人体提供能量

C. 合成纤维、合金、合成橡胶都是有机合成材料

D. 焚烧塑料是解决“白色污染”的好办法

6. 下列物质的用途,利用了该物质物理性质的是(   )

A. 石墨用于铅笔芯、活性炭用于吸附剂

B. 熟石灰用来改良酸性土壤

C. 高锰酸钾用于实验室制取氧气

D. 稀盐酸用于铁制品表面除锈

7. 下列图示实验操作中,正确的是

A. 检查装置气密性B. 加热液体

C. 稀释浓硫酸D. 取用固体

8. 测定人体内或排出的液体的,可以帮助人们了解身体的健康状况。人体内的一些液体的正常范围如下表,其中碱性最强的是(

液体

胃液

胆汁

胰液

血浆

A. 胃液B. 胆汁C. 胰液D. 血浆

9. 如图为元素周期表的一部分,下列说法正确的是

A. 常温下,碳的化学性质活泼B. 氧原子的质子数是8

C. X表示FD. 这三种原子的核外电子数相同

10. 现将10gA和足量B混合加热,A和B发生化学反应,10gA完全反应后生成8gC和4gD,则参加反应的A和B的质量比是(  )

A. 1:1B. 2:1C. 4:1D. 5:1

二、选择题(5小题,每题2分,共10分;有1-2个选项符合题意)

11. 逻辑推理是化学学习中常用的思维方法。下列推理正确的是

A. 中和反应生成盐和水,则生成盐和水的反应一定是中和反应

B. 化合物是由不同元素组成的纯净物,所以由不同种元素组成的纯净物一定是化合物

C. 单质中只含有一种元素,所以只含有一种元素的物质一定是单质

D. 活泼金属能与稀硫酸反应放出气体,则能与稀硫酸反应放出气体的物质一定是活泼金属

12. 甲、乙、丙三种物质间通过一步反应能实现如图转化,下列选项中符合图示转化关系的是

选项

A

NaOH

NaCl

NaNO3

B

CaO

Ca(OH)2

CaCO3

C

Na2CO3

CO2

CaCO3

D

H2O2

H2O

O2

A. AB. BC. CD. D

13. 下列有关灭火原理的说法中,错误的是(  )

A. 清除可燃物B. 降低可燃物的着火点

C. 隔绝空气D. 使可燃物与其他物品隔离

14. 下列有关物质除杂、分离、鉴别中,所用的试剂或方法均正确的是

选项

实验目的

所用试剂和方法

A

除去生石灰中含有少量石灰石

水或稀盐酸

B

除去NaCl溶液中少量Na2CO3

适量澄清石灰水,过滤

C

从KClO3制氧气残余物中分离出MnO2

溶解、过滤、洗涤、烘干

D

从氯化铵、硫酸铵、硝酸铵和尿素中鉴别出尿素

消石灰或水

A. AB. BC. CD. D

15. 下列说法错误的是(   )

A. 质量和质量分数均相等的氢氧化钠溶液和稀硫酸,充分反应,所得溶液呈碱性

B. 2.3g某物质在空气中完全燃烧,生成4.4g二氧化碳和2.7g水,可知该物质只含碳、氢两种元素

C. 等质量的二氧化硫和三氧化硫中硫元素的质量比为4:5

D. 足量的镁和锌分别与同质量、同浓度的稀盐酸充分反应,生成氢气的质量相等

可能用到的相对原子质量:H1C12N14O16K39Na23Cl35.5Mg24Al27S32Fe56Cu64Za65N14Na23

三、填空题(3小题,共20)

16. 化学就在我们身边,现有①盐酸②小苏打③干冰④石墨⑤氮气⑥石油从中选择适当物质按下列要求填空(填序号)

(1)可作干电池电极的是_____;

(2)可用于充入食品包装袋中防腐的是_____;

(3)焙制糕点所用的发酵粉的主要成分之一是_____;

(4)可用于人工降雨的是_____;

(5)人体胃液中含有的酸是_____;

(6)属于化石燃料的是_____.

17. 化学是在分子、原子水平上研究物质的组成、结构、性质及其变化规律的一门基础自然科学。回答下列问题

(1)在水、铁和氯化钠三种物质中,氯化钠由_______构成的(写具体粒子的名称);保持水化学性质的最小粒子是_______(写具体粒子的名称)

(2)如表列出了部分元素的原子结构示意图,回答下列问题

O

Mg

S

Cl

硫原子在化学反应中容易_______(填“得到”或“失去”)电子,由镁元素和氯元素组成化合物的化学式为_______,氧元素和硫元素化学性质具有相似性的原因是它们原子的_______相同。

(3)下列对生活中的现象用分子相关知识解释不正确的是_______

A. 室内插花,满室飘香,说明分子不断地运动

B. 水沸腾时,掀起壶盖,说明分子的大小随温度升高而增大

C. 10mL酒精和10mL水混合后,体积小于20mL,说明分子之间有间隔

D. 湿衣服放在火炉旁,干得较快,说明分子运动速率随温度升高而增大

18. 人类的日常生活和工农业生产离不开水及其溶液,回答:

(1)鉴别硬水和饮水的一般是加入_______,生活中降低水的硬度的方法是_______

(2)电解水的实验说明水是由_______组成的。

(3)ABC三种物质的溶解度曲线如图所示,据图回答

A的溶解度随温度升高而_______

t2℃时,C的溶解度为_______g

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  1. CONNECT:[ UseTime:0.000614s ] mysql:host=127.0.0.1;port=3306;dbname=no_yeyulingfeng;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000853s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000321s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000290s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000676s ]
  6. SELECT * FROM `set` [ RunTime:0.000242s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000746s ]
  8. SELECT * FROM `article` WHERE `id` = 469454 LIMIT 1 [ RunTime:0.000539s ]
  9. UPDATE `article` SET `lasttime` = 1771735563 WHERE `id` = 469454 [ RunTime:0.000536s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000278s ]
  11. SELECT * FROM `article` WHERE `id` < 469454 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000531s ]
  12. SELECT * FROM `article` WHERE `id` > 469454 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000531s ]
  13. SELECT * FROM `article` WHERE `id` < 469454 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001112s ]
  14. SELECT * FROM `article` WHERE `id` < 469454 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001041s ]
  15. SELECT * FROM `article` WHERE `id` < 469454 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001118s ]
0.077351s