2.3溶液的酸碱性—2021-2022学年化学鲁教版（五四制）九年级全一册随堂小测
※题型：单选题※知识点：单选题※试题难度：较易<br>小李在学习酸碱指示剂与常见酸、碱溶液作用时,归纳成如图7-3-1所示的关系。图中A、B、C、D是两圆相交的部分,分别表示指示剂与酸、碱溶液作用时所显示出的颜色,则其中表示不正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/1/8/18DE2ECE4BB08FBC70BE1C2BE37EF652.png"><br>A.红色 B.蓝色 C.紫色 D.无色<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/56fcfe2d4eb1497b86aa1ca1690a23e1/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/67d83267bdb245a6aad9b8e6ee48c66f/A97A9EBAD600F4703BA70F66FDEC25C4.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>化学课上,老师在滤纸上用酚酞溶液画漫画,然后再喷洒某种液体X,滤纸上立即显示出红色图像,则X可能是( )<br>A.稀盐酸 B.蒸馏水 C.石灰水 D.食盐水<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/bbe1fa36e92d43348c3cc65bda2f4fa7/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/f9567d10e2a6446c9004a13d4609ff1d/F03782A70FA3143437575BCFF2420E7E.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>测定溶液的酸碱性强弱应选用的是( )<br>A.酚酞试液 B.pH试纸<br>C.紫色石蕊试液 D.蓝色石蕊试纸<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/bc988e3aebdb42338d27f544ebde0f91/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/1f86ebaf969b4b4aacf1b2f14053212e/AA6A4C2388C8EFBFFA2E03047A260FB2.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>厕所清洁剂的主要成分是盐酸,炉具清洁剂的主要成分是氢氧化钠。关于这两种清洁剂的叙述正确的是( )<br>A.测得厕所清洁剂的pH=13<br>B.测得炉具清洁剂的pH=1<br>C.厕所清洁剂能使紫色石蕊溶液变蓝<br>D.炉具清洁剂能使无色酚酞溶液变红<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/dfc98e860d68414680259d1f1d667209/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/f82a0e7c088c4b3eb028423d72adaa83/9906D04149415EE10477DA203E674F72.png"><br><br>※题型：单选题※知识点：单选题※试题难度：容易<br>下列食物的近似pH如下,其中酸性最强的是( )<br>A.柠檬汁2.2~2.4 B.番茄汁4.0~4.4<br>C.牛奶6.3~6.6 D.鸡蛋清7.6~8.0<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2019/b6a096eb191f447da3501696a9ec4ed2/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列使用pH试纸的方法中,错误的是( )<br>A.将pH试纸剪成几段使用<br>B.将pH试纸直接插入待测液中<br>C.将pH试纸放在表面皿上,用干净的玻璃棒蘸取待测液滴在pH试纸上<br>D.读数时,在30秒内将pH试纸呈现的颜色与标准比色卡对照<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/2e04c74ef3b44f9090c22aaa4752d768/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/08860eb365934ecbade9011d8b86f12c/4476C753A78C7C0CD77811082F7002C2.png"><br><br>※题型：单选题※知识点：单选题※试题难度：容易<br>下表是一些食物的pH,胃酸过多的病人空腹时最宜食用的是( )<br><tbody><br>物质<br>橘子<br>葡萄<br>牛奶<br>玉米粥<br>pH<br>3~4<br>3.5~4.5<br>6.3~6.6<br>6.8~8.0<br></tbody><br>A.橘子 B.葡萄 C.牛奶 D.玉米粥<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/3c58820361cf45f99303f08f2480b287/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/45d198930b9345f59768acd586707ccf/AADDFD637663AB1077F7CC104EBBCB18.png"><br><br>※题型：单选题※知识点：单选题※试题难度：容易<br>呈碱性的食物是( )<img src="https://picture2.zhihuicn.com/testImage/2/2021/1/9/DC3B89A7682A8856D4AF51285251328E.png"><br>A.柠檬汁 B.番茄汁 C.牛奶 D.鸡蛋清<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/c329d4f5b8744539b96bfe9d88bab3b7/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br>略<br>
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