（19）化学与农业生产—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：较易<br>小明发现自家农田里的作物叶色发黄,并且茎秆软弱容易倒伏,他应该施用下列化肥中的( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/1/7/4CBCC165B1E585728C720D6A93D1B6CC.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/1/7/F9DDDA97CC9A388F54A9D6C8F5944AF4.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/1/7/2A7B569BE68FC195242D313D0BB715B1.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2021/1/7/A1953510D753FAB096CB1E555701AB90.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/c5f42edcc34944b597bef679a270c880/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/f8a38d3ae31141d08088297908ce7d8a/09F44B15F9855DDDFB363A06609D0FC3.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>氯化铵、硫酸铵、硝酸铵、尿素都是白色易溶的氮肥。下列物质能够将尿素从这四种化肥中鉴别出来的是( )<br>A.熟石灰 B.稀盐酸 C.水 D.氯化钠<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/b1b8f94fff8b45a99a9d4955ffba6cb1/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/850389c332834de5b963e5eb63dbde2c/E76BE26D404DDB82EE22563FEC3125C1.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列有关农药、化肥的叙述中不正确的是( )<br>A.化肥农药对提高农产品产量有重要作用,但也会带来环境问题<br>B.农药本身有毒,应根据作物和病虫害的生长规律合理施用<br>C.化学肥料简称为化肥,只能通过化学的方法制得<br>D.农药施用后,会通过农作物、农产品转移<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/742ebdcefa6b403886d352f6f2f9d8e5/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/a91bbdcd096342fab10b9a9165685f58/89CD94244EBD99B0DE494CDF8C398F8F.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>在农业生产中施用的下列化肥属于氮肥的是( )<br>A.碳酸钾<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/28/5B8D38F2053ED42E3CF96259C61F9F65.png"><br>B.氯化钾KCl<br>C.硫酸钾<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/28/B90E8387C03EBA3876DAFDC61F8919A9.png"><br>D.硝酸铵<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/28/F11326033621B0DBF223234AB8C618D1.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/409c84bd2b7546ca98973cae628db742/01A39E48B8A67989A23F6887F26FCC64.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><img src="https://picture2.zhihuicn.com/testImage/2/2021/4/1/42F09CBCD510AAFD2345F341FB191981.png"><br>是一种化肥,其水溶液的pH<7,有关该化肥的说法错误的是( )<br>A.不能与碱性物质混放或混用<br>B.含氮量低于尿素<img src="https://picture2.zhihuicn.com/testImage/2/2021/4/1/A20F41369BE87CC7816EE25A9FE75269.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/4/1/42F09CBCD510AAFD2345F341FB191981.png"><br>与磷铵均是复合肥<br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2021/4/1/42F09CBCD510AAFD2345F341FB191981.png"><br>与磷矿粉可从外观区分<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/24d893499ee5415185301529c76bea43/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/422f9ae932984ba2b61dc1bd6db7178e/694E1AF4E9F7925A1DF794E6DB23EE5B.png"><br><br>※题型：填空题※知识点：填空题※试题难度：较易<br>新冠肺炎疫情防控期间,我国多地应时运送化肥原料为农民解忧,硝酸铵(<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/4/8/571745824385325B9CFE8434F9FC8475.png"><br>)、碳酸氢铵(<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/4/8/9657CD6677A8B536DA52BF72946AF00F.png"><br>)、磷酸二氢铵(<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/4/8/3D33591E531D2B5378585DA0A7398BB5.png"><br>)、氯化铵(<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/4/8/1B0D100CD07DE02C2FD1479964DC1EEE.png"><br>)等都是常见的化肥,其中属于复合肥的是<br>_<br>__________<br>;铵态氮肥不能和<br>_<br>__________<br>性物质混合使用,否则会降低肥效;氯化铵中氮元素的化合价为<br>_<br>__________<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/2c8f2d4486b745f0aa470d0281d950f1/CE4536641AE9232AAF7D455397D85ABE.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/1a00d674e29f44d6af7717e1ebf6ad9f/F07108B57A8BE9BE92C5B96386009513.png"><br><br>※题型：填空题※知识点：填空题※试题难度：容易<br>草木灰是农家肥,主要成分是碳酸钾。取一定量草木灰,用水浸泡后过滤。取少量滤液,向其中滴加几滴紫色石蕊试液,溶液变蓝色,说明草木灰是一种<br>_<br>___________<br>(填“酸性”“碱性”或“中性”)肥料,它不能与<br>_<br>___________<br>肥混合使用。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/5d610505a40f453091d45410de142e2a/E432AF5149E672BFBC89FB8B67EE63BD.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/21cef614fd0a462a8e08a68e17067c05/CC8EF14149A7C1CD5235BC76EEDB488F.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>实验室中一瓶化肥的标签已脱落,只知道它是<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/1/7/1B0D100CD07DE02C2FD1479964DC1EEE.png"><br>、<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/1/7/7C083B549845AEBCBC00B90976992843.png"><br>和尿素<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/1/7/7176B36F000A12484C355F3CB7E03728.png"><br>中的一种。<br>请你完成以下探究<br>:<br>【<br>实验探究】<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/1/7/4788CF483888B35938A4E046880B7F56.png"><br>1.取少量样品在研钵中与熟石灰混合研磨,有刺激性气味的气体放出,证明该瓶化肥不是________。<br>2.如图甲,另取少量样品于试管中,滴加适量水振荡,再选乙中________滴入试管中,无气泡放出。<br>3.在步骤(2)的试管中再滴人乙中的________,发现有白色沉淀产生。请你写出此化肥在(1)中发生反应的化学方程式:________。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/259edc2893cf4dff9e6381ccbe90cb11/DB3CDD14F4C28F956E7FFB118BBF98E9.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/54f40dd3bcc84272b967cb8503815332/46046D71B900BB52FB370C3B6AEC70B7.png"><br><br>
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