2021-2022学年人教版化学九年级化学用语通关小练（6）质量守恒定律的应用
※题型：单选题※知识点：单选题※试题难度：中等<br>一定质量的某有机化合物完全燃烧,生成2.2g<img src="https://picture2.zhihuicn.com/testImage/2/2020/9/30/7002435560602C62060BA723DC55D86C.png"><br>和1.8g<img src="https://picture2.zhihuicn.com/testImage/2/2020/9/30/AA5DD1505F1D7A06A012CABC988FF45C.png"><br>,另取3.2g该有机化合物在<img src="https://picture2.zhihuicn.com/testImage/2/2020/9/30/43916A0CBDACF639905BC5CD89370C97.png"><br>中完全燃烧,消耗4.8g<img src="https://picture2.zhihuicn.com/testImage/2/2020/9/30/43916A0CBDACF639905BC5CD89370C97.png"><br>,该有机化合物的化学式可能是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2020/9/30/78B865B8864AA66AEE954CF65793C4C2.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2020/9/30/3158F8BFFC65BEB0E71A752F63B65595.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2020/9/30/5AE69F147234DF32EF5E64E5C6878C8F.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2020/9/30/6F2490F3FF9681A64B8EB9929E4A4446.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/f6b43ffe27374a238ff2f87db142edac/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/ef7580ceba004209bf1cdc3fb46f65b6/E70ABBC5CA9E24FCE83D77C3EDB96317.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>某物质在纯氧中燃烧生成了氮气和水蒸气,该物质一定含有( )<br>A.氮元素和氧元素 B.氢元素和氧元素<br>C.氮元素和碳元素 D.氮元素和氢元素<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/6899627896e8430cb1a7d454de6d31d0/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/952caf3314fa4927a729d5043e3daeb3/83EB6DE57E9066122AEA38D02AFE4197.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>根据质量守恒定律,电解NaCl的水溶液,不可能得到的生成物是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/2/BDF900345AF09A3015F45B2669FF3895.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/2/23884E77D0362C4DB78B4D7304596665.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/2/049D802E7350A56DC61AAD18655E5681.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/2/22E31F776370366F790221CF4E7FC96B.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/c38a8fbe7e6f4f64926e8eb7dabf647f/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/5210f6d778334c0db7288d9c69ca1210/2DDF54964935A629F810F6056994DC28.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>生活中的自来水通常用氯气(<img src="https://picture2.zhihuicn.com/testImage/2/2020/9/23/93A19C6BBAAC4C42F35EECD724B1E7B2.png"><br>)进行杀菌消毒处理,发生反应的化学方程式是<img src="https://picture2.zhihuicn.com/testImage/2/2020/9/23/A15DD79B60374781D8FE0DB59CE77C54.png"><br>。则X的化学式为( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2020/9/23/3FD11E2AFC06B1D240106659D73AE871.png"><br>B.ClH<br>C.HCl<br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2020/9/23/DAA989B03F6A5C3172692384FC7517A6.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/8b4a0b11225541bb82496c835310110c/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/80198558e3b146479089756ebe13d1cc/D9386CFD46ADD3E1228C5ACDB08E8CDD.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>一定条件下,在密闭容器内发生的某化学反应,测得<img src="https://picture2.zhihuicn.com/testImage/2/2021/5/27/F6069644CA3B461C118F63EDD86070F2.png"><br>和<img src="https://picture2.zhihuicn.com/testImage/2/2021/5/27/ED924A94735F8A854946CD631F3FAFF3.png"><br>时各物质的质量见下表,下列说法正确的是( )<br><tbody><br>物质<br>M<br>N<br>P<br>Q<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/5/27/F6069644CA3B461C118F63EDD86070F2.png"><br>时的质量/g<br>51<br>9<br>3<br>17<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/5/27/ED924A94735F8A854946CD631F3FAFF3.png"><br>时的质量/g<br>23<br>3<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/5/27/A4C256EC618BF189591BEC8023C3E1BD.png"><br>51<br></tbody><br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/5/27/A4C256EC618BF189591BEC8023C3E1BD.png"><br>的值是0<br>B.M与N的质量变化比为14:3<br>C.Q可能是单质<br>D.该反应一定是分解反应<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/4c6ae97553094082bfd35148e4079341/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/e66b9f0e871d4637a040ca2c16209f0d/B6424BDDE616835FE8BDAE44CE011405.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在密闭容器中有甲、乙、丙、丁四种物质、在一定条件下反应,测得反应前及反应过程中的两个时刻各物质的质量分数如下图所示。图中a、b、c、d分别表示相应物质的质量分数。下列数据正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/10/C870067414A0D82B3973179301590398.png"><br>A.a=56% B.b=6% C.c=17% D.d=8%<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/ba9947f276034c2c9274ddb0f8cd79e5/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/12c60e91dc3a45c8bca02f64158204f8/F5972EEB91EE5D86CB21253A288ADA95.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在一密闭容器中发生某反应,其中甲、乙、丙、丁四种物质的质量变化如下表所示,下列判断不正确的是( )<br><tbody><br>物质<br>甲<br>乙<br>丙<br>丁<br>反应前质量(g)<br>10<br>16<br>0<br>0<br>反应中质量(g)<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/6/16/A6597A662F39E111A6A0D7BFE69729CC.png"><br>1.6<br>反应后质量(g)<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/6/16/B7CF316158CE6B89AE375D30CF5A42AE.png"><br>0<br>15.2<br>6.4<br></tbody><br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/16/B7CF316158CE6B89AE375D30CF5A42AE.png"><br>的值是4.4<br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/16/A6597A662F39E111A6A0D7BFE69729CC.png"><br>的值是4<br>C.甲和乙是反应物<br>D.甲、丁间反应的质量比为7:8<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/46b0dab2129347dabf95a15659c07262/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/ca4c3fddd4bc4bf684923c91b83f13dc/E1F8509CE07CCFD71087C4448E8AA806.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>向原煤中加入适量生石灰制成“环保煤”,可减少二氧化硫的排放,生石灰吸收二氧化硫的化学方程式为:<img src="https://picture2.zhihuicn.com/testImage/2/2019/5/15/07AC10D4B129145AB381B7FA74C1A408.png"><br>,则<img src="https://picture2.zhihuicn.com/testImage/2/2019/5/15/0C541B77081C8FE66A3FE36635CF1898.png"><br>的值是( )<br>A.1 B.2 C.3 D.4<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2019/a4bb4df41f32465ba20039127f117681/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2019/46b08db13b54407da02a2fe398eb2a11/A9703BA1E5B7EE59910BC4DDB8AD06BB.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>将15gA物质、24gB物质、8gC物质混合加热,发生化学反应,经分析得知反应后的混合物中,含有8gA和30gC,还有一种物质D。若A、B、C、D的相对分子质量依次为28、32、44、18,则它们之间所发生反应的化学方程式为( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/31/C6690256BB3E5CC746FCA46B8AD73710.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/31/63E8F936E09BE167A5D8CD4041310358.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/31/1EBD2DB17C28B5C798C94FD0679462C1.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/31/6920DC9A5D0A850BB6011A5DAF9246DB.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/6823bc5994674169ae3a09b1512e44f9/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/17dde5146ee84e1b836648db14cd772b/A25CECDB74B311AE12356BCD9DF00B3A.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>为了测定液化气中丙烷<br>(<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/8/4/0F1FBD0A136CB9B310E8D3179EF735F1.png"><br>)<br>在氧气不足时的燃烧产物<br>将一定量的丙烷和氧气置于一个封闭的容器中引燃<br>测得反应前后各物质的质量如表:<br><tbody><br>物质<br>丙烷<br>氧气<br>水<br>二氧化碳<br>X<br>反应前质量<br>/g<br>4.4<br>12.8<br><br>反应后质量<br>/g<br>7.2<br>4.4<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/8/4/65F7AF37B8A9A12B28388B5EDA6AF543.png"><br></tbody><br>1.<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/4/65F7AF37B8A9A12B28388B5EDA6AF543.png"><br>=;X的化学式为。<br>2.写出该反应的化学方程式:___________。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/55e4535a3a464a43a08e9aa3c09f6944/691CB0800D6D8D494E30186EE15985EE.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/25207b48719748bf92880e2c4c9f922b/2CFB79E42B3B49A934557949006A9145.png"><br><br>※题型：填空题※知识点：填空题※试题难度：较易<br>在<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/31/D037FD5D746F0EE800BBC4F690786FBE.png"><br>的化学反应中,进行下列实验定质量的<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/7/31/18909AFE081FF69B3C4FE67C8BABED41.png"><br>和<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/7/31/66F25E15108E99AE2700B603D6847D4B.png"><br>完全反应后,测得各次实验物质的质量如表:<br><tbody><br><img src="https://picture2.zhihuicn.com/testImage/2/2021/7/31/18909AFE081FF69B3C4FE67C8BABED41.png"><br><img src="https://picture2.zhihuicn.com/testImage/2/2021/7/31/66F25E15108E99AE2700B603D6847D4B.png"><br>A<br>B<br>第一次<br>g<br>g<br>g<br>第二次<br>g<br>g<br>g<br>第三次<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/7/31/A4C256EC618BF189591BEC8023C3E1BD.png"><br><img src="https://picture2.zhihuicn.com/testImage/2/2021/7/31/C429D2911CF84AE67D53F473595718D0.png"><br>g<br></tbody><br>1.<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/31/18909AFE081FF69B3C4FE67C8BABED41.png"><br>和<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/31/66F25E15108E99AE2700B603D6847D4B.png"><br>反应的质量比为。<br>2.第一次实验哪种物质有剩余:___________。<br>3.若第三次实验中<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/31/D2C822E54A169BEA9C97A1B116281F28.png"><br>时,则<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/31/A4C256EC618BF189591BEC8023C3E1BD.png"><br>的值可能是、。<br>4.若B的相对原子质量为6,则<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/31/18909AFE081FF69B3C4FE67C8BABED41.png"><br>的相对分子质量为。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/0edd23da13dd4e1f82732e4d19e3bb09/CD3DABB5D59D47B96A8D8BC8EF1E9ED4.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/f4ee1db7a5b14840a6e696a415613ad6/7C805EA40E5F561C71F279A3EB7B558E.png"><br><br>
页:
[1]