天津市新华中学2025-2026学年第2学期高三统练7 化学试题

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2025-2026学年第2学期高三大统练七

第Ⅰ卷

注意事项:

1.每题选出答案后,用铅笔将答题卡上对应题目的答案标号涂黑。如需改动,用橡皮擦干净后,再选涂其他答案标号。

2.本卷共12题,每题3分,共36分。在每题列出的四个选项中,只有一项是最符合题目要求的。

可能用到的相对原子质量O  16    Na  23    P  31    Cl  35.5    Cu  64

1.化学与人类生活密切相关。下列叙述正确的是

A.乙烯可以调节植物生长,可用于催熟果实

B.硫酸铜具有杀菌作用,可用作饮用水消毒剂

C.碳化硅抗氧化且耐高温,可用作固体电解质

D.聚氯乙烯塑料制品耐腐蚀,可用作食品包装

2.下列说法不正确的是

A.用一种试剂能鉴别1-丙醇、2-氯丙烷、丙醛和苯酚溶液

B.向鸡蛋清溶液中加入乙醇出现沉淀,加水后溶解

C.用红外光谱可区分乙醇和二甲醚

D.通过X射线衍射可确定青蒿素的分子结构

3.规范实验是保障实验安全和实验顺利进行的关键。下列有关说法错误的是

A.身上衣物较大面积着火,可就地翻滚灭火

B.含的废液,可用溶液进行处理

C.学生实验后的废液,应少量多次倒入下水道

D.有机废液可以通过蒸馏回收有价值的特定馏分

4.下列说法不正确的是

A.加入、等,可使豆浆中的蛋白质聚沉

B.碱基与戊糖缩合形成核苷,核苷与磷酸缩合形成核苷酸,核苷酸缩聚得到核酸

C.油脂是高分子化合物,在体内水解为高级脂肪酸和甘油

D.细胞双分子膜的形成体现超分子“自组装”的特征

5.实验室制备CuCl的反应为。设为阿伏加德罗常数的值。下列说法正确的是

A.溶液中含数目为page number 0

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B.分子中共价键电子云轮廓图:

C.中的O-S-O键角比中的O-S-O键角大

D.每生成99.5 g CuCl,转移电子数目为

6.下列离子在溶液中能大量共存的是

A.、、、

B.、、、

C.、、、

D.、、、

7.工业上在熔融条件下制钾,反应为,相关物质的熔、沸点如下表,下列说法正确的是

物质

Na

K

NaCl

KCl

熔点/℃

97.8

63.7

801

-

沸点/℃

883

774

>1400

>1400

A.推测KCl的熔点高于801℃

B.该反应宜在加压条件下进行

C.反应温度不应高于883℃

D.该反应能发生是由于金属性:K>Na

8.化学实验操作是进行科学实验的基础。下列操作不能达到实验目的的是

A.证明苯和液溴为取代反应

B.检验是否沉淀完全

C.制备晶体

D.铜与浓硫酸反应并检验气态产物

9.为达到对应的实验目的,下列实验设计或操作合理的是

 

实验目的

实验设计或操作

A.

证明氧化性:比强

将硫酸酸化的溶液滴入溶液中,振荡

B.

提纯含有少量氯化钠和泥沙的苯甲酸

加热溶解,趁热过滤,冷却结晶,过滤洗涤

page number 1

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C.

检验是否含有碳碳双键

向适量的溶液中加入过量的银氨溶液,再加入少量溴水、振荡

D.

检验Cu与浓硫酸的反应后出现的白色固体是否为

冷却、向盛有反应液的试管中加入适量水,振荡

10.制造车、船挡风玻璃的功能高分子材料Q的合成路线如下:

下列说法不正确的是

A.化合物X易溶于水

B.M中最多13个碳原子共面

C.Y的结构为

D.Q的官能团名称为酯基、醚键和羟基

11.尿素是一种常用的氮肥,合成尿素包括如下两个基元反应:

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恒容密闭容器中充入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和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,在不同催化剂(Cat1、Cat2)作用下合成尿素,单位时间内氨的转化率与温度的变化关系如图所示。

下列说法正确的是

A.和的转化率相同时,反应达到平衡状态

B.在较高温度下自发进行

C.c点时扩大容器的体积,总反应v正<v逆

D.增大、浓度对合成尿素的反应速率影响不大page number 2

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