2026届四川部分学校高三5月模拟考试化学试卷(无答案)

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2026届四川省部分学校高三5月模拟考试

化学试题

注意事项:

1.答题前,考生务必用黑色碳素笔将自己的姓名、准考证号、考场号、座位号在答题卡上填写清楚。

2.每小题选出答案后,用2B铅笔把答题卡上对应题目的答案标号涂墨。如需改动,用橡皮擦干净后,再选涂其他答案标号。在试题卷上作答无效。

3.考试结束后,请将本试卷和答题卡一并交回。

以下数据可供解题时参考。

可能用到的相对原子质量:H—1  C—12  N—14  O—16  S—32  Cl—35.5  Te—128

一、选择题:本题共14小题,每小题3分,共42分。在每小题给出的四个选项中,只有一项是符合题目要求的。

1.化学与人类社会可持续发展息息相关。下列过程在一定条件下不能实现的是(   )

A.石油分馏→乙烯  B.水杨酸+乙酸酐→阿司匹林

C.煤的焦化→苯  D.山梨酸钾、苯甲酸钠→延长食品保质期

2.下列叙述正确的是(   )

A.Cu和Fe在常温下投入浓硫酸中均无明显现象,原理相同

B.Na分别与熔融氯化镁和氯化镁溶液反应,生成的产物不同

C.分别与氢氧化钠水溶液和氢氧化钠醇溶液反应,生成的溴化物不同

D.澄清石灰水分别滴加到溶液和溶液中,现象不同

3.下列反应原理和方程式书写错误的是(   )

A.用足量氮水洗去银镜:

B.水解制备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:

C.用惰性电极电解丙烯腈制备己二腈: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

D.乙酰胺与盐酸共热: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

4.化学实验操作是进行科学实验的基础。下列操作符合规范的是(   )

A.向试管中加锌粒 B.从食盐水中提取NaCl固体page number 0

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C.盛放的装置上贴的标签 D.该装置可用于制备乙酸乙酯

5.螯合钙比普通的补钙试剂更容易被人体吸收,某种整合钙的结构如图所示。下列说法不正确的是(   )

A.Ca为s区元素  B.C、N、O的第三电离能依次增大

C.基态时,C和O的成单电子数相同 D.∠1>∠2

6.Y是一种人工合成的多肽,其合成路线如图所示。下列说法错误的是(   )

A.E的分子式为 B.F和G生成X时,原子利用率为100%

C.Y水解可得到E和G  D.F中的手性碳有2个

7.我国化学家合成了一种带有空腔的杯状主体分子(结构如图a),该分子和客体分子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(结构示意图如图b)可形成主客体包合物,被固定在空腔内部。下列说法正确的是(   )

A.主体分子存在分子内氢键 B.主客体分子之间存在共价键

C.主客体包合物属于分子晶体 D.中N采用杂化page number 1

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8.一种硼镁化合物具有超导性能,晶体结构属于六方晶系,B原子独立为一层,具有类似于石墨的结构,其晶体结构、晶胞沿c轴的投影图如图所示。下列说法不正确的是(   )

A.1个晶胞中含有1个Mg

B.硼化镁属于混合型晶体

C.每个B原子周围都有2个与之等距离且最近的B原子

D.B-B最近距离为

9.由下列实验操作及现象能推出相应结论的是(   )

选项

实验操作及现象

结论

A

测定某酸溶液的pH为2

该酸为强酸

B

向滴有2滴溶液的少量蒸馏水中,再滴加2滴KSCN溶液,无明显现象

电离程度:

C

往装有鸡蛋清的试管中先加入少量,再加过量水,振荡;试管底部可见少量固体

能使蛋白质变性

D

相同温度下用pH计测定浓度均为溶液和溶液的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,溶液的pH更小

极性:

10.在1200℃时,天然气脱硫工艺中会发生下列反应:

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则计算的表达式正确的是(   )page number 2

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