（6）氧气—2021-2022学年化学人教版九年级上册同步课时作业
※题型：单选题※知识点：单选题※试题难度：较易<br>下列活动中,没有运用氧气的相关性质的是( )<br>A.做高能燃料 B.富氧炼钢 C.急救输氧 D.动植物呼吸<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/65a1d42d4da449329b71402cf47da893/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/24ed0d5c7eac4729a91970769429d9a6/45DB8DE0FF7F10D298FF5F79546EBDC2.png"><br><br>※题型：单选题※知识点：单选题※试题难度：容易<br>薯片等易碎食品宜采用充气袋包装,下列气体中最不适宜充入的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/1/D350503FAEB172B50F09D85EB5C5B0A3.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/1/43916A0CBDACF639905BC5CD89370C97.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/1/7002435560602C62060BA723DC55D86C.png"><br>D.空气<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/b5e00a881eb04f9aacc9fd9761bce48b/76900E09FAB5EBA344B8EA84E844FF07.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>生活中应用缓慢氧化的实例有很多。下列实例中,不属于缓慢氧化的是( )<br>A.酒和醋的酿造 B.农家肥的腐熟稳<br>C.酒精灯平稳燃烧 D.人长跑时急促呼吸<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/7e7662bac40741549c036a81494a9309/06CA09E70C17EF8BA2D3B8C70D693953.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>下列物质在氧气里燃烧,能生成有刺激性气味气体的是( )<br>A.木炭 B.硫粉 C.铁丝 D.镁条<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/0750b0239e0d4dd0872dee69662cbf1c/76900E09FAB5EBA344B8EA84E844FF07.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>“证据推理”是化学学科核心素养的组成要素之一。如图,将带火星的木条放到集气瓶口,木条复燃。由上述证据推理,不能得到的结论是( )<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/28/6F72D280C4D867108BD32CA3308A0950.png"><br>A.该气体是氧气 B.氧气密度大于空气<br>C.氧气不易溶于水 D.氧气收集满了<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/1e6810e72b424dc097014435c227a726/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/183e325abb80495e804bf3087153cb42/05A4F07E8C9EA577A198815E81A23B03.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列反应属于化合反应的是( )<br>A.二氧化碳+水<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/12/5E654A2F5A01891C0FBAAA23E2E072C0.png"><br>碳酸<br>B.碳酸氢铵<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/12/2DBECBBB547DD7FBCF479D179033D073.png"><br>氨气+水+二氧化碳<br>C.水<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/12/6B8770756E155C85A35E2380519C62D1.png"><br>氢气+氧气<br>D.石蜡+氧气<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/12/97C262C59CEFD5DBD10A1F747DE6CCA9.png"><br>二氧化碳+水<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/bba10161b26c45499e43f6bf4c9e19fd/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/57c7cf755c1d4326bc14e74492d0f275/27122B4B87DAE8CBF7E00C0EFDEA3F0E.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>小明用排水法收集了一瓶氧气,并用该瓶氧气做铁丝在氧气中燃烧的实验,结果没有观察到“火星四射”的现象,导致现象不明显的原因不可能是( )<br>A.排水法收集结束时集气瓶内的水有残留<br>B.导管口一有气泡冒出时就开始收集氧气<br>C.铁丝的温度过低未达到铁丝的着火点<br>D.排水法收集前未将集气瓶灌满水<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/96ab560a24a74b209e94710538c913f5/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/d7c6d6f6ab88465190ed5fb91ff85021/43E2512D82636416F1EC51FDF84F19C6.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列对实验现象的描述不正确的是( )<br>A.镁条在空气中燃烧,发出耀眼白光<br>B.硫在空气中燃烧,发出淡蓝色火焰<br>C.红磷在空气中燃烧,产生大量白烟<br>D.铁丝在氧气中燃烧,生成四氧化三铁<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/4db9e9fe34cd483785c13217fa984e64/01A39E48B8A67989A23F6887F26FCC64.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>鱼能在水中生存的原因是( )<br>A.水的组成中含有氧元素 B.常温下水是液体<br>C.水能分解放出氧气 D.水中溶解有一定量的氧气<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/d2e4978fed2a4dc482cd579020132006/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/42b444511b7947fa9d83e34992c92b6b/F140971821B8DAE8CF61C5DA8E0534F9.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>中国对大深度载人潜水器“蛟龙号”的研制取得了世界瞩目的成绩,实现了我国挺进深蓝的宏伟目标。乘蛟龙号下潜的科研人员,他们的呼吸环境必须注意调节的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2020/11/18/43916A0CBDACF639905BC5CD89370C97.png"><br>和<img src="https://picture2.zhihuicn.com/testImage/2/2020/11/18/AA5DD1505F1D7A06A012CABC988FF45C.png"><br>的含量<br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2020/11/18/43916A0CBDACF639905BC5CD89370C97.png"><br>和<img src="https://picture2.zhihuicn.com/testImage/2/2020/11/18/D350503FAEB172B50F09D85EB5C5B0A3.png"><br>的含量<br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2020/11/18/43916A0CBDACF639905BC5CD89370C97.png"><br>和<img src="https://picture2.zhihuicn.com/testImage/2/2020/11/18/3FD11E2AFC06B1D240106659D73AE871.png"><br>的含量<br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2020/11/18/43916A0CBDACF639905BC5CD89370C97.png"><br>和<img src="https://picture2.zhihuicn.com/testImage/2/2020/11/18/7002435560602C62060BA723DC55D86C.png"><br>的含量<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/707c5f6a59c3450a8778b5b6540a6776/01A39E48B8A67989A23F6887F26FCC64.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>下列有关氧气的描述正确的是( )<br>A.氧气参与燃烧是高能燃料<br>B.氧气能使带火星木条复燃<br>C.红磷与氧气反应产生浓厚的白雾<br>D.低温下氧气可以变成无色液体<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/02e013aa1ca8492a8c7ebbc8718dfca5/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/72d106f11d874b20b367ad27f8fba377/0BAD202DCAF53F331DED35BAFEC9EBC2.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列说法中正确的是( )<br>A.由两种物质生成一种物质的反应才是化合反应<br>B.由一种物质生成两种物质的反应才是分解反应<br>C.氧化反应一定是化合反应<br>D.铁丝在氧气中燃烧实质上是与氧气发生氧化反应<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/a4ea71d6a8104d0aba73656b76a79cbb/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br>略<br>※题型：填空题※知识点：填空题※试题难度：容易<br>如图所示,将带火星的木条分别以甲、乙两种方法迅速插入装有氧气的集气瓶中,观察到木条<br>复燃且甲瓶中<br>的木条燃烧比乙瓶中更旺。上述实验说明了氧气具有的性质有<br>:<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/6/1/1EC91BFB940787FCEE2522CB1016E754.png"><br>(<br>)<br>_<br>_______<br>(<br>)<br>_<br>_______<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/90734eac119e44fbbd017af2a3a39b21/97454FB689A95CE475DB372437AB32F4.png"><br>解析<br>略<br>※题型：填空题※知识点：填空题※试题难度：中等<br>现有①木炭,②红磷,③铁丝,④蜡烛四种物质分别在氧气中燃烧,用序号回答下列问题:<br>1.产生大量白烟的是。<br>2.剧烈燃烧,火星四射,生成黑色固体的是。<br>3.产生的气体能使澄清石灰水变浑浊的是。<br>4.属于氧化反应的是。<br>5.既属于氧化反应,又属于化合反应的是。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/2a7c5c38857d41c0aa28a1bd06cbee88/52F9125B141F88500BA3EB6E5F32C1EE.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/e48f8e3bc46a426998f6af63fc31848b/3B763BD4E6CA1694F589C7DB88F1E00B.png"><br><br>※题型：实验题※知识点：实验题※试题难度：中等<br>甲、乙<br>、<br>丙是三个实验的示意图,根据图中所产生的现象及发生的化学反应,进行总结归纳并回答下列问题:<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/6/28/269AF743A01DF74755627EAC36BFBE9A.png"><br>1.所发生的三个反应有很多共同的特点,试着写出三条:①;②;③。<br>2.丙实验中,集气瓶底部装有少量水的目的是,燃烧的现象为。<br>3.任选上述三个实验中的一个,写出反应的文字表达式:_________。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/9855e18492b949dfb2bbd8e56debd198/1F660536B5A55392CAFBED6BBF8F91E1.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/7357ec6bd61a4d919cef6a111f4b1d43/3F3CEA1A527F1507FA1BE7DA2C7F184F.png"><br><br>
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