（7）酸碱中和反应—2021-2022学年化学鲁教版（五四制）九年级全一册同步课时作业
※题型：单选题※知识点：单选题※试题难度：中等<br>在滴加了酚酞的氢氧化钠溶液中,逐滴加入稀盐酸至过量,溶液颜色的变化是( )<br>A.红色——蓝色 B.蓝色——红色<br>C.红色——无色 D.无色——红色<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2016/6fc35a3e2287481596b8cd9c30c3c221/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2016/ffa66002733e43c48cb416080d03c4f7/7AE0A9F5EF92093AE21DA948947D653F.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列反应中,属于中和反应的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/31/D8E4FA8EE8E779A4C3E608A591814969.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/31/E8287B9045EDBE4699E2BCB11BF68F73.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/31/A81EB4DD5A91638004960C18981FB3BB.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/31/7003B1B84D124A6094A49E3855ADF061.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/e7882961bb394d2cb3c74a972a627c51/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/6fa4f8effad14efe90a3b6a83b641a2a/0F428B4BAB4EFA0D1480D572AA81BBC4.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>如图所示是盐酸滴入氢氧化钠溶液中,有关粒子之间反应的示意图。下列说法错误的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/31/04FA00B48140ED103F4B41F55C56BEF0.png"><br>A.盐酸溶液中只含有氢离子、氯离子<br>B.两种溶液混合时,氢离子和氢氧根离子结合生成水<br>C.图中表示盐酸与氢氧化钠溶液恰好完全中和<br>D.两种溶液混合前后,钠离子和氯离子没有发生变化<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/31d533e15f2c4f29af5c1c4154d698ab/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/1e34387ad3c3490fa39281eabc8e8a68/F41495CC1783C171B9E78C8F87A3F27C.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>25℃时,pH=1的盐酸与pH=13的氢氧化钠溶液混合,立即测定混合液的温度T,然后测定混合液的pH(25℃时)。有关判断合理的是( )<br>A.T=25℃ pH=7<br>B.T=25℃ 1≤pH≤13<br>C.T>25℃ pH=14<br>D.T>25℃ 1<pH<13<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/fb389edc2c70473c8ac60ef7b061c60a/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/8ef54fdb44044cb39c84ddb80a4ef1d4/FC019970CBE5C1A5A8B7990A9304CE05.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>一般说来,大多数作物适宜在中性或接近中性的土壤中生长。经测定某土壤的pH为5.5,要改良它,应在土壤中施加适量的( )<br>A.氢氧化钠 B.熟石灰 C.食盐 D.盐酸<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/ff0a5abbf9c84abda60d6b21683b755e/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/49571c37cb054bc099c89abc4137fb4f/E41A2B368C9E2E729483DCBF0010C583.png"><br><br>※题型：单选题※知识点：单选题※试题难度：容易<br>饮食过量,胃酸会大量分泌,以致消化不良。为缓解该症状,下列药剂不适宜的是( )<br>A.氢氧化铝 B.氯化钠 C.碳酸镁 D.碳酸氢钠<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/43d0c597256848c49bbbfc5eb10d2f74/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/9d5b319dd62d48cd82b4f2a6e8714e81/8F0E215AFD63F9A655A95B0D2C91DB6F.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列做法不是利用中和反应原理的是( )<br>A.土壤酸化后加入熟石灰改良<br>B.用大理石和稀盐酸制取二氧化碳<br>C.人被蚊虫叮咬后用稀氨水擦洗<br>D.用含<img src="https://picture2.zhihuicn.com/testImage/2/2020/11/18/C16F106721AF4CF3E78DEA48515C14DC.png"><br>的药物治疗胃酸过多<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/93eee17473e449029651ad7375e1e4c0/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：中等<br>取一定量部分变质的NaOH样品配成溶液,向其中滴加过量的稀盐酸。下列图像正确的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/4/29/108889D7AEC5EDAA8C37279E70485155.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/4/29/B571C4CD8526962C3C82878D1ADA7268.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/4/29/03CC71A7B74190916B4807A399B6F1D7.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2021/4/29/2E246CA7491DFD84975A7722FD9DE6B3.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/e29e4376566c41948dad7906a4c979c9/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/53322ce9a87042b08547534b44aa8811/97A7079D33A686FFA71CF3E4A1380B29.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列属于中和反应,且反应后溶液总质量减小的是(反应物均为水溶液)( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/4/29/BE7BFB892995186EE7DAA52808904FC4.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/4/29/9930D3299C0587DEA0DA10C57F515FCA.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/4/29/5C03E562070984350562E6C854A2CE1A.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2021/4/29/9200473708FC15EE6DC2744BA1A69B77.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/5f0a07dac1a746978ebcefa7d1b03c87/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/6417baaf29614d04b8591fec55349122/9CC8A9334954D77CAE55E6FEA6AFE06E.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>中和反应是一类重要的化学反应。某同学利用图<br>装置研究稀盐酸与氢氧化钠溶液反应的过程,并用<br>pH<br>和温度传感器测量<br>反应过程中相关物理量的变化情况,得到图<br>和图<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/1/8/A2D821CDE90BED7107359A716DE03876.png"><br>1.烧杯中发生反应的化学方程式为_____。<br>2.仪器A中溶液的溶质是(填化学式)。<br>3.图3中<br>V<br>的数值最接近(填“6”“12”或“16”)。<br>4.下列说法错误的是(填字母)。A.图2中<br>b<br><br>点所示溶液中的溶质是NaCl和NaOHB.取图2中<br>d<br>点所示溶液加热蒸干,所得固体为纯净物C.图2中<br>c<br>→<br>d<br>所示溶液中NaCl的质量不断增加D.图3中<br>e<br>→<br>f<br>变化趋势可说明该反应是放热反应<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/2cf95cc8310d41d5a79763248dcc6841/984D731B62F57AF1B920F02DB758F788.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/99069b91922f44f79c4a9ec67aff987e/A4262715C9A3689CA43F4390AED65958.png"><br><br>
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