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2022年化学模拟考试 - 题目详情

题型:备注说明

1. <span style="font-family: KaiTi_GB2312; color: rgb(241, 11, 0); font-size: 18px;"><b style="font-weight: bold;">一、选择题</b></span><span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; font-size: 14px;">(1-8小题每题1分,9-13题每题2分,共18分。每小题只有一个选项符合题意)</span>

选项: 1、选项1

题型:单选题

2. <span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif;">下列关于空气组成及性质说法错误的是( )</span>

选项: 1、稀有气体在空气中含量少并常用于制作做霓虹灯、闪光灯等电光源, 2、空气中质量分数最大的是氮气,约占78%, 3、空气中含量较多且化学性质较活泼的气体是O2, 4、二氧化碳不是空气污染物,但排放过多会造成温室效应

题型:单选题

3. <span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif;">下列实验操作正确的是( )</span>

选项: 1、测定稀硫酸的pH值, 2、稀释浓硫酸, 3、配制溶液, 4、连接仪器

题型:单选题

4. <span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif;">分类是化学学习中常用的思维方法,下列有关物质分类正确的是( )</span>

选项: 1、复合肥:硝酸钾、磷酸铵、尿素, 2、合金:黄铜、青铜、氧化铜, 3、混合物:空气、石油、大理石, 4、合成材料:塑料、羊毛、橡胶

题型:单选题

5. <span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif;">“绿水青山就是金山银山”。下列与环境有关的说法错误是( )</span>

选项: 1、 煤、石油、天然气等化石燃料是可再生的,可以无限开发利用, 2、 为了保护环境,应合理使用农药和化肥, 3、“限塑令”的执行有利于解决“白色污染”的问题, 4、生活污水经集中处理达标后再排放

题型:单选题

6. <span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif;">下列对实验现象描述正确的是</span>

选项: 1、细铁丝在氧气中剧烈燃烧、火星四射、生成四氧化三铁, 2、红磷在氧气中燃烧产生大量白色烟雾, 3、碳在氧气中燃烧发出白光,生成黑色固体, 4、硫在空气中燃烧,有微弱的淡蓝色火焰

题型:单选题

7. <span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif;">我国第一艘国产航空母舰山东舰的成功下水,向世界展示了中国国防科技的进步,在其建造过程中用到了钛合金,工业生产金属钛的过程中有一种反应的化学方程式如下:</span><br style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif;"><span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif;">&nbsp;</span><br style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif;"><span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif;">其中X的化学式( )</span><div><span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">A.H</span><span style="font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; bottom: -0.25em; color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">2</span><span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">SO</span><span style="font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; bottom: -0.25em; color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">4</span><span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;B.SO</span><span style="font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; bottom: -0.25em; color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">3</span><span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; C.H</span><span style="font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; bottom: -0.25em; color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">2</span><span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">SO</span><span style="font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; bottom: -0.25em; color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">3</span><span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">&nbsp; &nbsp; &nbsp; &nbsp;D.SO</span><span style="font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; bottom: -0.25em; color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">2</span><span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif;"><br></span></div>

选项: 1、H2SO4, 2、SO3, 3、H2SO3, 4、SO2

题型:单选题

8. <span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif;">水是生命之源,下列有关水的说法不正确的是(  )</span>

选项: 1、肥皂水可用于鉴别硬水和软水,实验室用蒸馏的方法来降低水的硬度, 2、利用活性炭疏松多孔的结构,吸附水中的色素和异味, 3、水是由氢元素和氧元素组成的, 4、电解水实验中电源正极和负极产生气体的体积比约为2:1

题型:单选题

9. <span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif;">2021年10月16日,神舟十三号载人飞船成功发射升空。其燃料发生化学反应的微观示意图如图所示,下列说法正确的是(  )</span>

选项: 1、化学反应前后分子、原子的数目发生改变, 2、反应中的甲、丁分子个数比为1:1, 3、化学反应中各元素化合价不发生改变, 4、反应生成的丙和丁的质量比为7:6

题型:单选题

10. <span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif;">现有甲、乙、丙、丁四种金属,丙在常温下就能与氧气反应;将甲、乙、丁分别放入稀硫酸中,观察现象,甲和丁均反应产生气泡且甲反应更剧烈,乙不反应。通过上述描述,判断四种金属的活动性由弱到强的顺序是( )</span>

选项: 1、乙甲丁丙, 2、丙甲丁乙, 3、乙丁甲丙, 4、甲丙乙丁

题型:单选题

11. <span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif;">阿司匹林常用于心血管领域,主要是抗血小板的药物,其化学式为C</span><span style="font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; bottom: -0.25em; color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif;">9</span><span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif;">H</span><span style="font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; bottom: -0.25em; color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif;">8</span><span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif;">O</span><span style="font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; bottom: -0.25em; color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif;">4</span><span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif;">.下列关于阿司匹林的说法不正确的是( )</span>

选项: 1、阿司匹林中碳元素的质量分数最大, 2、阿司匹林由碳、氢、氧三种元素组成的有机化合物, 3、阿司匹林中氢、氧元素的质量比为2:1, 4、1个阿司匹林分子由9个碳原子、8个氢原子、4个氧原子构成

题型:单选题

12. <span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif;">分析推理是化学学习中常用的思维方法,下列推理正确的是( )</span>

选项: 1、原子是不带电的粒子,所以不带电的粒子一定是原子, 2、氧化物都含氧元素,所以含氧元素的化合物一定是氧化物, 3、碱溶液能使无色酚酞溶液变红,所以能使无色酚酞溶液变红的一定是碱溶液, 4、中和反应生成盐和水,但生成盐和水的不一定是中和反应

题型:备注说明

13. <span style="font-size: 14px; background-color: rgb(255, 255, 255); font-family: KaiTi_GB2312; color: rgb(254, 36, 25);"><b style="font-weight: bold;"><span style="font-size: 18px;">填空题</span></b></span><span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255);">(本大题包括4小题,共14分;化学方程式2分,其余每空1分)</span>

选项: 1、选项1

题型:多项填空

14. <span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255);">请用合适的化学用语填空:</span>

选项: 1、保持氖气化学性质的最小微粒<u style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</u>, 2、3个铵根离子<u style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</u>, 3、标出氯酸钾中氯元素的化合价<u style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</u>, 4、小苏打<u style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</u>

题型:多项填空

15. <span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255);">学习化学要建立元素观、粒子观、变化观和分类观,请用所学知识回答下列问题:</span>

选项: 1、从图一中可知,铬的相对原子质量为<u style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</u>;, 2、(A、B、C、D所示的粒子共表示(<u style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</u>种元素;, 3、 A与C形成化合物的化学式为<u style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</u>。

题型:多项填空

16. <span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; font-size: 14px;">a、b、c三种固体物质的溶解度曲线如图所示:</span>

选项: 1、 交点P的含义:<u style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</u>;, 2、(2) t2℃时,现将30g的a 物质放在50克水中,所得溶液中溶质与溶剂的质量比为______。, 3、(3) 除去a固体中混有的少量b,提纯a的方法是_______。, 4、(4) t2℃时,将a、b、c三种物质的饱和溶液降温至t1℃,所得溶液中溶质质量分数由大到小关系为___

题型:多项填空

17. <span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; font-size: 14px;">钢铁是目前世界范围内使用最广的金属材料。</span>

选项: 1、<span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">铁制品锈蚀的过程,实际上是铁与空气中的</span><u style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</u><span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">发生化学反应的过程。</span>, 2、<span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">工业上用稀盐酸除去铁制品表面的铁锈,反应的化学方程式为</span><u style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</u><span style="color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);">。</span>

题型:单选填空

18. <div class="topic__type" style="padding-bottom: 100px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); color: rgb(38, 38, 38); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Microsoft YaHei UI&quot;, 微软雅黑, sans-serif; font-size: 12px;"><div class="topic__inner" style="padding-right: 18px; padding-left: 18px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0);"><div class="topic__type-body" style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0);"><fieldset style="border-width: 0px; border-style: solid; border-color: rgb(192, 192, 192); margin-top: 20px; padding: 0px;"><legend class="normalcut" style="border-width: 0px; border-style: initial; width: 744px; font-size: 14px;">现有含杂质的氢氧化钙样品10g向其中加入10%的稀盐酸溶液73g恰好完全反应(杂质不参与反应),求样品中氢氧化钙的质量分数_____。</legend></fieldset></div></div></div>

选项: 1、选项1