2021-2022学年九年级上册化学鲁教版常考实验小练（9）探究燃烧的条件
※题型：单选题※知识点：单选题※试题难度：较易<br>下列探究燃烧条件的实验中,只能得出“燃烧需要温度达到可燃物的着火点”的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/19/CABD51C8D21715656B4285674E3A394B.png"><br>A.A B.B C.C D.D<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/91d55fa54df548f39d4b8c4145356e00/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/66c66135b88a4b9da2100e8b57a648c8/0B69A13794F9E398543842EF84C5BC04.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>如图所示,加热烧瓶中的水使之沸腾,水蒸气从铜管喷出,把火柴靠近管口P处,火柴被加热但不能燃烧,迅速移开火柴,火柴开始燃烧。下列说法不正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/19/811E14E1B3BBF816C07D58F3BF24C07A.png"><br>A.该实验现象证明燃烧需要温度达到着火点<br>B.P处火柴不能燃烧是因为水蒸气隔绝了氧气<br>C.火柴移离水蒸气,与氧气充分接触,从而燃烧<br>D.加热铜管的目的是产生高温水蒸气<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/8cc4d84ddf3f45d3a8ea7c4386740fe6/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/2dcf93d9b7bb4c4cafd330ed72e4f8e9/812E6A590081B1077721477682108FFF.png"><br><br>※题型：实验题※知识点：实验题※试题难度：较易<br>火的利用推动了人类文明的进程,观察图:<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/3/16/FA25DE8F8DCB08AA8D967CFF1E1AB43D.png"><br>选择序号回答(<br>)~(<br>):①与氧气接触②温度达到着火点③有可燃物<br>(<br>)图一所示实验现象,说明燃烧应具备的条件是<br>;<br>(<br>)图二烧杯中蜡烛渐渐熄灭,说明燃烧应具备的条件是<br>;<br>(<br>)图三铜片上白磷燃烧红磷不燃烧,说明燃烧应具备的条件是<br>;<br>(<br>)图三实验中所用药品的保存方法正确的是<br>(选填图四中的字母编号)。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/f15d898331e34e879cbac3e1e63dfc95/CAB3311AF9196D73FAA1027AFBB3007A.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/ae34f0ff0fbe4607b70eb3a6e7491a14/0DB58D0058CD37D00084A1B82CF8E90A.png"><br><br>
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