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【免费下载】高考真题【天津】2025年天津高考真题化学试题(解析版)word版含解析学生版教师版

  • 2026-01-14 15:04:23
【免费下载】高考真题【天津】2025年天津高考真题化学试题(解析版)word版含解析学生版教师版

2025年天津市普通高中学业水平等级性考试

化学

本试卷分为第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分,共100分。考试用时60分钟。第Ⅰ卷14页,第Ⅱ卷56页,共100分。

答卷前,考生务必将自己的姓名、准考号填写在答题卡上,并在规定位置粘贴考试用条形码。答卷时,考生务必将答案涂写在答题卡上,答在试卷上的无效。考试结束后,将本试卷和答题卡一并交回。

祝各位考生考试顺利!

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。

1. 天津位于渤海之滨,地处“九河下梢”,因河而生,向海而兴,自古流传着“精卫填海”“哪吒闹海”等传说,其海水资源丰富,下列说法错误的是

A. 海水可经蒸馏制备淡水

B. 海水经氯气氧化可直接得到液溴

C. 海水晒盐的过程涉及溶液的蒸发、结晶

D. 用离子交换膜法电解饱和溶液可得到烧碱溶液

【答案】B

【解析】

【详解】A.蒸馏法通过蒸发和冷凝分离水和盐分,正确制备淡水,A正确;

B.海水中的需经氧化生成,但需进一步蒸馏或萃取才能得到液溴,不能直接获得,B错误;

C.海水晒盐通过蒸发水分使结晶析出,属于蒸发结晶过程,C正确;

D.离子交换膜电解溶液时,阴极区生成并富集,得到烧碱溶液,D正确;

故答案选B

2. 下列可用作食品添加剂且属于无机物的是

A. 硫酸铅B. 木糖醇C. 葡萄糖酸-δ-内酯D. 二氧化硫

【答案】D

【解析】

【详解】A.硫酸铅为重金属盐,会导致蛋白质变性,不能用作食品添加剂,A错误;

B.木糖醇分子中含有5个羟基的五元醇,属于有机物,不属于无机物,B错误;

C.葡萄糖酸-δ-内酯是含有羟基和酯基的内酯化合物,属于有机物,不属于无机物,C错误;

D.二氧化硫是酸性氧化物,在国家规定的食品添加范围内,添加的二氧化硫可以起到防腐和抗氧化的作用,能用作食品添加剂,D正确;

故选D

3. 下列离子在溶液中能大量共存的是

AB. 

C. D. 

【答案】D

【解析】

【详解】A.发生互促双水解,且会氧化,不能共存,A错误;

B.不共存能,会生成二氧化硫和水,B错误;

C.反应生成生成沉淀,不能共存,C错误;

D.4种离子均互不发生反应,D正确;

故答案选D。

4. 下列比较结果,错误的是

A. 熔点:石英>苯酚

B. 热稳定性:

C. 离子半径:

D. 分散系中分散质粒子的直径:胶体溶液

【答案】B

【解析】

【详解】A.石英()为共价晶体,苯酚为分子晶体,共价晶体熔点高于分子晶体,A正确;

B.非金属性:F>I,简单氢化物的热稳定性HF>HI,B错误;

C.为同周期阳离子,电子层排布相同,核电荷数越大,离子半径越小,离子半径,C正确;

D.胶体分散质粒子直径(1-100 nm)大于溶液中溶质粒子(<1 nm),D正确;

故选B。

5. 下列叙述和反应方程式相对应且正确的是

A. 实验室制备氨气:

B. 与盐酸反应:

C. 常温下,将氯气通入溶液中:

D氯化亚铁溶液中加入稀硝酸:()

【答案】C

【解析】

【详解】A.实验室制备氨气需要共热:,单独加热会分解但无法有效收集,A错误;

B.不与盐酸反应,B错误;

C.常温下通入溶液中,发生反应:,方程式书写正确,C正确;

D.稀硝酸与反应时,还原产物应为,方程式为:,D错误;

故答案选C。

6. 仪器分析在化学研究中有重要应用。下列方法选择错误的是

A. pH计区分KCl溶液和NaNO3溶液B. X射线衍射法区分玻璃和蓝宝石

C. 用原子光谱鉴定样品中含有元素LiD. 用质谱区分正己醇和正庚醇

【答案】A

【解析】

【详解】A.KCl溶液和NaNO3溶液均为强酸强碱盐,溶液均呈中性,pH计无法区分两者,A错误;

B.X射线衍射法可区分晶体(蓝宝石)和非晶体(玻璃)的衍射图谱,B正确;

C.原子光谱通过特征谱线可鉴定元素种类,C正确;

D.正己醇和正庚醇相对分子质量不同,质谱通过分子离子峰质荷比差异可区分正己醇和正庚醇,D正确;

故选A。

7. 利用反应可处理。设为阿伏加德罗常数的值,下列说法正确的是

A. 中含有电子数目为

B. 消耗,生成的体积为67.2 L

C. 处理6.5 g NaN3,至少需要

D. 处理1 mol NaN3,反应转移的电子数目为

【答案】C

【解析】

【详解】AN离子的电子数为3×7+1=22,则1 mol N离子含有的电子数为1mol×22×NAmol-1=22NA,A错误;

B.未明确是否为标准状况,无法计算消耗1mol次氯酸钠时,生成氮气的体积,B错误;

C.由方程式可知,反应消耗2 mol NaN3时,消耗次氯酸钠的物质的量为1 mol ,则处理6.5 g NaN3时,至少需要次氯酸钠的物质的量为×=0.05 mol,C正确;

D.由方程式可知,反应消耗2 mol NaN3时,转移电子的物质的量为2mol,处理1 mol NaN3时,转移电子的数目为1mol×2××NAmol-1=NA,D错误;

故选C

8. 油脂、淀粉、纤维素和蛋白质是重要的物质。下列说法错误的是

A. 油脂为高级脂肪酸的甘油酯,属于高分子化合物

B. 油脂、淀粉、纤维素和蛋白质均可发生水解反应

C. 蛋白质是由多种氨基酸通过肽键等相互连接形成的有机分子

D. 淀粉和纤维素的分子式均可表示为(C6H10O5)n,二者结构不同

【答案】A

【解析】

【详解】A.油脂由高级脂肪酸和甘油形成,但相对分子质量较小,不属于高分子化合物,A错误;

B.油脂水解生成甘油和脂肪酸,淀粉、纤维素水解为葡萄糖,蛋白质水解为氨基酸,均可水解,B正确;

C.蛋白质由氨基酸通过肽键等连接形成,描述正确,C正确;

D.淀粉和纤维素分子式均为,但葡萄糖单元连接方式不同,结构不同,D正确;

故选A

9. 依据下列实验操作及现象,不能得出相应结论的是

实验操作及现象

结论

A

将稀盐酸滴入NaHCO3溶液中,产生的气体通入澄清的石灰水,石灰水变浑浊

非金属性:Cl>C

B

硫化锌(ZnS,白色)、硫化镉(CdS,黄色)为难溶电解质。向浓度均为0.1 mol/LZn2+Cd2+混合液中,滴加Na2S稀溶液,先出现的沉淀是黄色的

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  1. CONNECT:[ UseTime:0.000642s ] mysql:host=127.0.0.1;port=3306;dbname=no_yeyulingfeng;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000562s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000271s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000248s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000449s ]
  6. SELECT * FROM `set` [ RunTime:0.000165s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000540s ]
  8. SELECT * FROM `article` WHERE `id` = 461068 LIMIT 1 [ RunTime:0.000449s ]
  9. UPDATE `article` SET `lasttime` = 1768395397 WHERE `id` = 461068 [ RunTime:0.010406s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000236s ]
  11. SELECT * FROM `article` WHERE `id` < 461068 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000362s ]
  12. SELECT * FROM `article` WHERE `id` > 461068 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001299s ]
  13. SELECT * FROM `article` WHERE `id` < 461068 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002373s ]
  14. SELECT * FROM `article` WHERE `id` < 461068 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000689s ]
  15. SELECT * FROM `article` WHERE `id` < 461068 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000659s ]
0.091374s