（8）生活中常见的盐——2021-2022学年九年级下册化学人教版课后天天练
※题型：单选题※知识点：单选题※试题难度：较易<br>下列物质属于盐的是( )<br>A.CH<sub>3</sub>COOH B.CaCO<sub>3</sub> C.Ca(OH)<sub>2</sub> D.MnO<sub>2</sub><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/6cf35da8bd4249408d5edd5b8b48d24c/76900E09FAB5EBA344B8EA84E844FF07.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>下列关于常见盐的用途,错误的是( )<br>A.食盐用作调味品 B.纯碱用于除水垢<br>C.碳酸钙用作补钙剂 D.碳酸氢钠用于焙制糕点<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/775110228cdc427894e537fee0555a4f/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>下列关于氯化钠的认识,正确的是( )<br>A.组成:含有钠和氯两种单质<br>B.性质:与盐酸类似,能与碳酸盐反应<br>C.用途:可用于生产金属钠<br>D.生产:常用钠与氯气通过化合反应获得<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/b3bc640355714ccbb77237b0294be9f7/06CA09E70C17EF8BA2D3B8C70D693953.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>检验碳酸盐的正确方法是( )<br>A.滴加盐酸,产生使木条火焰熄灭的气体<br>B.滴加BaCl<sub>2</sub>溶液产生白色沉淀<br>C.加热,产生使澄清石灰水变浑浊的气体<br>D.滴加盐酸产生使澄清石灰水变浑浊的气体<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/bab95724067c4708a430094745d2b214/01A39E48B8A67989A23F6887F26FCC64.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>NaCl是重要的资源,其应用与生产如图所示。下列说法不正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/1/9/EA0672AB3654E5E021E41C557FC4A569.png"><br>A.应用①操作的主要步骤为计算、称量、溶解、装瓶、贴标签<br>B.应用②在制备烧碱的过程中,水参与了反应<br>C.应用③为提高产率应先通NH<sub>3</sub>,再通CO<sub>2</sub>,制备过程中还能得到一种化肥<br>D.生产中提纯粗盐时可依次加入过量的BaCl<sub>2</sub>、NaOH、Na<sub>2</sub>CO<sub>3</sub>溶液,再过滤、蒸发<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/9260e67df3ab42c3a6665cf6da1207e6/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/6b8a1be8cd4f488f8504ac58f4c3018e/D4A3057A45AF765ABDA3DBCDE1603C76.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>某白色粉末可能由碳酸钠、氯化钠、氢氧化钠、氯化钡中的一种或几种组成。为确定其组成,某同学进行如下实验:实验一:取该固体适量加入水,得到浑浊液体,过滤;实验二:取实验一所得滤液少许于试管中,加入过量氯化钡溶液,振荡,静置后滴加酚酞溶液,溶液变红。下列判断正确的是( )<br>A.该白色粉末中不含氯化钡<br>B.该白色粉末中含有氢氧化钠<br>C.该白色粉末中一定没有氯化钠<br>D.实验二中氯化钡改成氢氧化钡对实验无影响<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/4dbca33ce6a145169a2cce7c84030a7d/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/7865b67f18494f1998afeb677c303c0d/97AB4AF0985545598D213A0151B98AC6.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列各组物质中,能发生复分解反应且反应前后溶液总质量变小的是( )。A.铁和硫酸铜溶液<br>B.氢氧化钠溶液和盐酸<br>C.稀硫酸和氯化钡溶液<br>D.碳酸钠溶液和氯化钾溶液<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/63002d3959db4ff4bcb3daf795086985/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/7029eacc9a4a45719c05d399f1bb549e/F1FFD6D6F7637922D32C382F89A118FD.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列物质的溶液混合后,不发生复分解反应的一组是( )<br>A.HCl和NaOH B.Na<sub>2</sub>CO<sub>3</sub>和H<sub>2</sub>SO<sub>4</sub><br>C.KNO<sub>3</sub>和NaCl D.NaOH和FeCl<sub>3</sub><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2019/37c4d8547ddf41f4a903ff4eb4c26be9/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2019/3bea1fcb46e24314b96a54d1c798929d/97487E9B4D10CB03DCAFEC37F7B3438A.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列各组离子在溶液中能大量共存的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2019/11/1/76727E18D50CFC957B6E8C56F8FAF333.png"><br>、<img src="https://picture2.zhihuicn.com/testImage/2/2019/11/1/693D8F22585039AB1AA0699329A5D84A.png"><br>、<img src="https://picture2.zhihuicn.com/testImage/2/2019/11/1/A0AAB2CD09E9EAC704F37CBD3E994A0C.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2019/11/1/76727E18D50CFC957B6E8C56F8FAF333.png"><br>、<img src="https://picture2.zhihuicn.com/testImage/2/2019/11/1/0C816782AD829AB9046597BD2C759DD3.png"><br>、<img src="https://picture2.zhihuicn.com/testImage/2/2019/11/1/EA13E115CB7A0E6C7197A20260B6ECD0.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2019/11/1/838317B546D1F878E92AF100B8E1E894.png"><br>、<img src="https://picture2.zhihuicn.com/testImage/2/2019/11/1/0C816782AD829AB9046597BD2C759DD3.png"><br>、<img src="https://picture2.zhihuicn.com/testImage/2/2019/11/1/A0AAB2CD09E9EAC704F37CBD3E994A0C.png"><br>D.Na<sup>+</sup>、<img src="https://picture2.zhihuicn.com/testImage/2/2019/11/1/D357F13D2A0893AEBEA39E31410DB47D.png"><br>、<img src="https://picture2.zhihuicn.com/testImage/2/2019/11/1/693D8F22585039AB1AA0699329A5D84A.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2019/d36b31b458ae4a4d96eb6ba4d6deec7d/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2019/ba131c25dedb4c24a3ac94de05aade7c/7036C5EC225D5B99BD93EF9D58405CEB.png"><br><br>※题型：计算题※知识点：计算题※试题难度：中等<br>现有一定质量的硝酸钠和氯化钠的混合物,其中含钠元素9.2g。将此混台物加足量水配成溶液,再加入一定量硝酸银溶液,恰好完全反应,生成氯化银白色沉淀28.7g。计算:<br>(1)原混合物中氯化钠的质量_______;<br>(2)原混合物中硝酸钠的质量分数(结果保留至0.1%)___________。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2019/db8066b3d19d4fcfb59d621d86016cbf/ADDE633FA1D36C857101CC33E3E5AF67.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2019/152d20044b3b4790a379a07213035b8e/1CC1A927990CDD78CB19A7FDFD0CE6D2.png"><br><br>
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