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【免费下载】精编安徽省阜阳市太和县新兴私立中学2023~2024学年九年级上学期第一次月考化学试题

  • 2026-02-20 23:56:03
【免费下载】精编安徽省阜阳市太和县新兴私立中学2023~2024学年九年级上学期第一次月考化学试题

2023~2024学年度九()化学第一次月考试题

一、

二、大题包括12小题,每小题1分,共12分。每小题的4个备选答案中只有一个答案符合题意。

1. 前国务院总理李克强在政府工作报告中强调:“坚决打好蓝天保卫战”。各地积极行动,落实措施。下列做法不正确的是

A. 积极推广使用新能源公交车B. 限制、禁止燃放烟花爆竹

C. 田间焚烧秸秆,净化环境D. 积极植树、造林,扩大植被面积

2. 水饺是中华传统美食。下列制作水饺的主要过程中,涉及化学变化的是

A. 加水和面B. 剁肉拌馅

C. 擀皮包饺子D. 烧火煮饺子

3. 物质的性质决定了用途,下列物质的用途主要由化学性质决定的是

A. 氦气用于充灌气球B. 木炭用作燃料

C. 液氮用于医疗手术中的冷冻麻醉D. 稀有气体用作电光源

4. 小刚收到一个杭州亚运会吉祥物玩具,他认为其制作材料可能是羊毛绒,这个环节属于科学探究中

A. 提出假设B. 设计实验C. 得出结论D. 交流讨论

5. 小明用试管作实验,实验不同,试管口的朝向也不同(如图)。小明正确的做法是

A. 给试管中的液体加热时,试管如图①

B. 用胶头滴管向试管中滴加液体时,试管如图③

C. 给试管中的固体加热时,试管如图④

D. 向试管中加入块状固体时,试管先如图④再如图③最后如图①

6. 实验室制氧气有以下操作:①撤去酒精灯;②安装仪器;③把集气瓶装满水倒置于水槽中;④检查装置的气密性;⑤给装有药品的试管加热;⑥收集气体;⑦将导管移出水面;⑧装入氯酸钾和二氧化锰的混合物,塞紧带导管的橡皮塞并固定在铁架台上、下列操作顺序正确的是

A. ②④⑧③⑤⑥⑦①B. ②④⑧③⑤⑥①⑦

C. ④②⑧③⑤⑥⑦①D. ②④⑧⑤⑥③⑦①

7. 医务人员用3%的过氧化氢溶液为伤者处理伤口时,伤口处会看到大量泡沫。下列说法错误的是

A. 生成的气体可能是过氧化氢分解产生的氧气

B. 伤口处的生物酶可能对过氧化氢的分解起到催化作用

C. 双氧水制取氧气时,若不加二氧化锰,则不能分解产生氧气

D. 过氧化氢(H2O2)和水(H2O)的结构不同,所以它们的化学性质不同

8. 下列物质在氧气中燃烧,物质与燃烧现象的组合正确的是

物质

①铁丝

②红磷

③硫粉

部分实验现象

④火星四射

⑤蓝紫色火焰

⑥大量白烟

A. ①⑤B. ②⑥C. ③④D. ②④

9. 在进行氧气的实验室制取与性质实验时,某同学制得的氧气不纯。你认为可能的原因是

A. 用排水法收集氧气时,集气瓶装的是井水

B. 用向上排空气法收集氧气时,导管伸入到集气瓶的底部

C. 用排水法收集氧气时,导管口连续均匀冒出气泡就开始收集

D. 集气瓶收集满氧气后移出水面后,快速盖好盖玻片

10. 下列反应中,既不是化合反应也不是分解反应的是

A. 氧化汞+氧气B. 酒精+氧气+二氧化碳

C. +氧气四氧化三铁D. +氧气氧化镁

11. 下列各组物质,前者是纯净物,后者是混合物的是

A. 矿泉水、海水B. 洁净的空气、铁粉

C. 四氧化三铁、稀有气体D. 冰水共存物、液态氧

12. 某同学误将少量高锰酸钾当成二氧化锰加入氯酸钾中进行加热制取氧气,部分物质质量随时间变化如图所示,下列关于该过程的说法正确的是

A. c代表氧气B. 高锰酸钾可作氯酸钾制取氧气催化剂

C. t1时刻,高锰酸钾开始分解D. t2时刻,O2开始产生

二、本大题包括5小题,共28

13. “含氯消毒剂”已被广泛使用,其中就包含一种新型灭菌消毒剂——二氧化氯。在通常情况下,二氧化氯是一种有刺激性气味的黄绿色气体。在常温下,易溶于水。二氧化氯受热或者见光易分解易爆炸,具有强氧化性和很强的腐蚀性,其水溶液却十分安全,含有2%的二氧化氯水溶液无色、无臭、无腐蚀性,常温下稳定,不易分解;该溶液是特性优良、高效安全的消毒剂,我国从2000年起就逐渐用二氧化氯取代氯气对饮用水进行消毒。

(1)二氧化氯的物理性质有___________,化学性质有___________(各答出一点)

(2)二氧化氯遇热水生成次氯酸和氯气、氧气,该反应的文字表达式为___________

(3)根据题中信息,发生二氧化氯泄漏时紧急处理方法是___________

14. 研究性学习小组选择下列某些仪器进行气体制取、收集等。

(1)写出①仪器名称:___________

(2)实验用A装置制取氧气,该反应的文字表达式为___________

(3)实验室用二氧化锰催化过氧化氢溶液生成氧气,并选用排水法收集氧气时,下列说法不正确的是___________

A. 实验开始前,一定要检查装置的气密性

B. 导管口一有气泡冒出,要立即用集气瓶收集

C. 收集满氧气的集气瓶,用玻璃片盖好瓶口,正放在桌面上

D. 实验过程中要节约使用药品

(4)B装置制取气体优点___________。排空气法收集氧气验满方法___________

15. 空气是一种用途很多的自然资源,可用于工业上制取氧气,其流程如图:

查阅资料和可知标准大气压下,氧气的沸点是-183℃,氮气的沸点是-196℃

(1)工业上采用___________的方法来制取氧气,该方法利用液态氧和液态氮___________的不同,此方法属于___________变化。

(2)如果将燃着的木条置于盛满液态空气的容器口,观察到的现象是木条___________(填“熄灭”或“燃烧更旺”),一段时间后,剩余液态物质的颜色逐渐变为___________色。

(3)下列属于氧气用途的是___________(填序号)

A. 气体肥料B. 工厂炼制

C. 充气包装D. 霓红彩灯

16. 关于催化剂的研究是一项重要的课题,某小组以“探究催化剂的奥秘”为题展开了项目式学习。

【任务一】认识催化剂

(1)催化剂在化工生产中起着重要作用,下列说法正确的是___________(填字母)

A. 不加入催化剂化学反应就不能发生

B. 在化学反应前后催化剂化学性质不发生改变

C. 用作催化剂的物质不可能是其他反应的反应物或生成物

【任务二】探究催化剂

小组同学查阅资料发现氧化铜也可以作为过氧化氢分解的催化剂,于是进行相应探究:称量0.2g氧化铜,取5mL5%的过氧化氢溶液于试管中,进行如图1所示实验。

(2)

通过网盘分享的文件:【免费下载】精编安徽省阜阳市太和县新兴私立中学2023~2024学年九年级上学期第一次月考化学试题

链接: https://pan.baidu.com/s/14WJjovWJ78msrfffAsuyAA?pwd=4321 提取码: 4321 

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  1. CONNECT:[ UseTime:0.000447s ] mysql:host=127.0.0.1;port=3306;dbname=no_yeyulingfeng;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000804s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000292s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000259s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000577s ]
  6. SELECT * FROM `set` [ RunTime:0.000238s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000642s ]
  8. SELECT * FROM `article` WHERE `id` = 469361 LIMIT 1 [ RunTime:0.002716s ]
  9. UPDATE `article` SET `lasttime` = 1771641314 WHERE `id` = 469361 [ RunTime:0.017184s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000280s ]
  11. SELECT * FROM `article` WHERE `id` < 469361 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000490s ]
  12. SELECT * FROM `article` WHERE `id` > 469361 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000436s ]
  13. SELECT * FROM `article` WHERE `id` < 469361 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001971s ]
  14. SELECT * FROM `article` WHERE `id` < 469361 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000923s ]
  15. SELECT * FROM `article` WHERE `id` < 469361 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.009903s ]
0.104250s