广东广州市天河外国语学校2026-2027学年高一上学期期中考试 化学试题(无答案)

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广州市天河外国语学校2026学年第一学期期中考试卷

高一年级  化学试题

命题时间:2026年10月    命题组长:李欢    命题人:李欢    审题人:郑雪辉

本试卷分第Ⅰ卷和第Ⅱ卷两部分,共100分。考试时间75分钟。

第Ⅰ卷(选择题  共44分)

注意事项:

1.答卷前,考生务必将自己的姓名、考号等信息填写在答题纸上。

2.答案必须填写在答题纸的相应位置上,答案写在试题卷上无效。

3.考试结束后,将答题卡交回。

可能用到的相对原子质量:H 1  C 12  N 14  O 16  Na 23  Cl 35.5  Fe 56

一、单项选择题(每题只有一个最佳选项,1-10每题,2分,11-16每题4分,共44分)

1.历史承载过去,也启迪未来。下列技艺中涉及氧化还原反应的是(   )

A.古代织布机织布

B.古法炼铁

C.磨黄豆浆

D.雕刻窗花

2.近年来,我国大力弘扬中华优秀传统文化,体现了中华民族“文化自信”。下列说法不正确的是(   )

A.“春蚕到死丝方尽,蜡炬成灰泪始干”,诗中涉及氧化还原反应

B.“熬胆矾铁釜,久之亦化为铜”,该过程发生了置换反应

C.“纷纷灿烂如星陨,㸌㸌喧豗似火攻”中灿烂美丽的烟花是某些金属的焰色试验,属于化学变化

D.《荷塘月色》中“薄薄的青雾浮起在荷塘里”中的“青雾”属于胶体

3.物质的用途由性质决定,下列两者对应关系不正确的是(   )

 

用途

性质

A

维生素C能帮助人体将不易吸收的转变为易吸收的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

维生素C具有氧化性

B

豆浆中加石膏或者卤水制作豆腐

稀豆浆是胶体,遇到电解质发生聚沉形成豆腐

C

“84消海液”能源白棉、麻、纸张

次氯酸钠溶液与反应生成HClO,HClO具有强氧化性

D

碳酸氢钠可以用作面包发酵粉

碳酸氢钠受热分解产生气体

4.分类是学习和研究化学的重要方法。下列分类正确的是(   )page number 0

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选项

混合物

化合物

非电解质

电解质

A

NaOH

B

冰水混合物

溶液

C

氢氧化铁胶体

澄清石灰水

酒精

D

盐酸

CaO

蔗糖

熔融NaCl

5.下列各组离子在指定溶液中一定能大量共存的是(   )

A.强碱性溶液: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、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、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、

B.含大量的澄清溶液: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、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、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、

C.澄清透明的溶液: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、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、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、

D.经酸化的溶液中: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、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、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、

6.下列除杂(括号内的物质为杂质)方法能达到实验目的的是(   )

选项

物质

除杂方法

A

在空气中加热

B

先通过足量的NaOH溶液后再通过足量浓硫酸

C

先通过足量的饱和溶液后再通过足量浓硫酸

D

溶液

加入过量的NaOH溶液

7.下列离子方程式中正确的是(   )

A.向NaOH溶液中通入过量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:

B.将铁片插入溶液中:

C.氨水与稀盐酸发生中和反应:

D.向溶液中加入少量:

8.室温下进行下列实验,实验操作和现象以及所得出的结论均正确的是(   )

选项

实验操作和现象

结论

A

将一小块金属钠加入至溶液中,溶液蓝色褪去,有红色固体出现

钠比铜还原性强,钠置换出铜

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B

某溶液中滴加了溶液,生成白色沉淀

该溶液中一定去有

C

向饱和溶液中通入,有晶体析出

溶解度:

D

按如图装置实验,A烧杯出现白色浑浊而B烧杯无明显现象

热稳定性:

9.燃放烟花爆竹生成的烟气中的氮氧化物主要有NO和等,都是大气污染物,可用在催化剂加热条件下消除其污染,反应为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。下列说法正确的是(   )

A.该反应中发生氧化反应

B.该反应中是氧化剂

C.该反应中每生成1个水分子转移4个电子

D.该反应中还原产物和氧化产物的分子数之比为1:2

10.某同学用强光照射新制氯水,其pH随时闻的变化如图所示。下列说法不正确的是(   )

A.溶液的导电性: B.的浓度:

C.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的浓度: D.分解生成氧气的体积:

11.利用下列各图所示装置进行相应实验,能达到实验目的的是(   )

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