（9）化学肥料——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：中等<br>下列对化肥的认识不正确的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2019/10/26/490D2448912FDAA82DEDD28BCF750A33.png"><br>是一种复合肥<br>B.施用氮肥,能促进植物茎叶生长<br>C.铵态氮肥不能与碱性肥料混合使用<br>D.化肥能提高粮食产量,施用越多越好<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2019/a756fce2141349d38f837ad6c9368092/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2019/7463dce0ba654200bb4ec7f849744173/F98B1149B875413203D1ECBAE0CD1809.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>区分化肥常用的方法有:①加熟石灰研磨后闻气味;②观察外观;③加水溶解;④闻气味。由物理方法到化学方法的步骤是( )<br>A.②④③① B.①②③④ C.②①③④ D.④③①②<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2019/aff6022af147431ca229f5f579fd4566/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2019/8aaaf0d267034561a5db1218bd61efc8/B86FE8B83D6418E0D4D15FB486C1A0F4.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列关于化肥的说法不正确的是( )<br>A.加熟石灰研磨能闻到刺激性气味是磷肥的性质<br>B.CO(NH<sub>2</sub>)<sub>2</sub>(尿素)、(NH<sub>4</sub>)<sub>2</sub>SO<sub>4</sub>和NaNO<sub>3</sub>都属于氮肥<br>C.过度施用化肥,将导致土壤酸化和水域氮、磷含量升高<br>D.区分各种化肥一般先观察外观、溶解性,再观察化学反应中的现象<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2019/715d16d51a74409c877dfc420022754c/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2019/c4b4ab45c3864e49ad33553f9593e3b8/F48B4D7A5FA028AE17749D9A7F1C154B.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>实验室有失去标签的四种化肥,已知可能是(NH<sub>4</sub>)<sub>2</sub>SO<sub>4</sub>、NH<sub>4</sub>Cl、CO(NH<sub>2</sub>)<sub>2</sub>、K<sub>2</sub>SO<sub>4</sub>。现各取少许进行鉴别,下列物质中能将上述肥料一次性区别开来的试剂是( )<br>A.蒸馏水 B.Ba(OH)<sub>2</sub>溶液<br>C.稀盐酸 D.Ba(NO<sub>3</sub>)<sub>2</sub>溶液<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2018/82539837c5c04902b94aafdaa7287d10/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2018/0b8276bae47a4809a71c91a87379a819/125666A88C5A96C51A4E682FE204F6BB.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>化肥对提高农作物的产量具有重要作用。下列肥料能够增强农作物抗寒、抗旱能力的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2019/11/1/F9DDDA97CC9A388F54A9D6C8F5944AF4.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2019/11/1/BF45A0427DE59E00361E360257DB793E.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2019/11/1/490D2448912FDAA82DEDD28BCF750A33.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2019/11/1/A1953510D753FAB096CB1E555701AB90.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2019/c65a9972574342f493069042a2aaa133/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2019/deb8881009514550a8fdc6bde42b41f7/52A20F55E42CE9AE1A66A6973F6331DB.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列各种溶质的溶液混合后无明显现象的一组是( )<br>A.HCl、Na<sub>2</sub>CO<sub>3</sub>、K<sub>2</sub>SO<sub>4</sub> B.KNO<sub>3</sub>、Ba(OH)<sub>2</sub>、NaCl<br>C.KCl、AgNO<sub>3</sub>、HNO<sub>3</sub> D.NaOH、FeCl<sub>3</sub>、(NH<sub>4</sub>)<sub>2</sub>SO<sub>4</sub><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2018/9499768ffb6d4b199d82b77500d74f0b/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2018/e7c09249628c41fc8ce1f4c5fa7f150e/1964D6E56ECF785F0DE27EC8E39DD2E4.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>NH<sub>4</sub>NO<sub>3</sub>是一种化学肥料,某NH<sub>4</sub>NO<sub>3</sub>溶液的pH=4。以下说法错误的是( )<br>A.NH<sub>4</sub>NO<sub>3</sub>是一种复合肥料<br>B.NH<sub>4</sub>NO<sub>3</sub>不能与熟石灰混合使用<br>C.久施NH<sub>4</sub>NO<sub>3</sub>的土壤可能被酸化<br>D.盐溶液也可能使酸碱指示剂变色<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/88092d76e730498bac244596b4ac13a2/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br>略<br>※题型：实验题※知识点：实验题※试题难度：中等<br>白云岩矿(含<br>CaO<br>、<br>MgO<br>)<br>常用于生产<br>K<br><sub></sub><br>SO<br><sub></sub><br>及氮钾复合肥。<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/1/10/05E4BED4B5DC7C486AD06A73D1352495.png"><br>1.将A云岩矿石粉碎的目的是。2.操作a是,用到的玻璃仪器除玻璃棒外还有,玻璃棒的作用是。3.反应②的化学方程式为CaSO<sub>4</sub>?2H<sub>2</sub>O+2NH<sub>4</sub>HCO<sub>3</sub>==CaCO<sub>3</sub>↓+(NH<sub>4</sub>)<sub>2</sub>SO<sub>4</sub>+CO<sub>2</sub>↑+3H<sub>2</sub>O,该反应温度需控制在60℃左右,原因是.4.K<sub>2</sub>SO<sub>4</sub>在水中溶解度小于(NH<sub>4</sub>)<sub>2</sub>SO<sub>4</sub>,写出反应③的化学方程式:,操作b的步骤:、冷却结晶、过滤而得到氮钾复合肥。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/407063dc2f664dc2a4758a86a4c38a80/46D4C3C8823EA595EBED23968146A03D.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/7dc0da0958c949b5869d5f0ac43188f6/E8B86AA9E3CC7732FC14439ECEE7CB56.png"><br><br>
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