5.2化学反应的表示—2021-2022学年化学鲁教版九年级上册随堂小测
※题型：单选题※知识点：单选题※试题难度：较易<br>下列物质在氧气中燃烧的化学方程式书写正确的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/27/C038CDEE8F5E694B2289716C057CBC2B.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/27/150488BEFDA58C6BCC5FD6EC96495AF6.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/27/6E44F3197AEFBC7C7122D1E9EA257CCB.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/27/39A3794B2964465F08402E7E7407E736.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/b99b990187b34e92b21510fa5d52b008/06CA09E70C17EF8BA2D3B8C70D693953.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>下列化学方程式书写错误的是（ ）A.氢气在空气中燃烧:<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/29/AAB1E58A9A85A44FA5B45FC23AAD2A5F.png"><br>B.碳酸受热分解:<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/29/6D8121668B5FAF331E0355BB0702632D.png"><br>C.铁与稀硫酸反应:<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/29/7945606C940FD5E469A1FB2D4FDD71EE.png"><br>D.加热氯酸钾和二氧化锰制取氧气:<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/29/64BE227B949FD78D1F24260E66926D02.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/5fd58636d7d743f9b4d7e6ed6e27da4c/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：容易<br>氯酸钾在二氧化锰的催化作用下受热分解制取氧气,其化学方程式书写正确的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/7/E4D1FDD0F6F881BDD43E079DED573002.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/7/C65641857B82514FC97C537A7F913A5F.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/7/D1E5658550D9F73881EA009B3635D371.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/7/93ED550BB2C49379E0A7FDD25AE6DBAF.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/a24d92384b114d99b4048c56b83bedb5/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/b20cdd67fe7c4107a4bdf854a1d7f19d/2DBFBF7983F4F1746B05B110322D0951.png"><br><br>
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