下列物质混合,经点燃充分反应后一定得到纯净物的是A.质量比为8:7的氧气与一氧化碳B.体积之比为5:2的空气和氢气C.分子数之比为1:2的甲烷与氧气D.原子数之比为2:1的氢气与氯气
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![下列物质混合,经点燃充分反应后一定得到纯净物的是A.质量比为8:7的氧气与一氧化碳B.体积之比为5:2的空气和氢气C.分子数之比为1:2的甲烷与氧气D.原子数之比为2:1的氢气与氯气](/uploads/image/z/2370182-14-2.jpg?t=%E4%B8%8B%E5%88%97%E7%89%A9%E8%B4%A8%E6%B7%B7%E5%90%88%2C%E7%BB%8F%E7%82%B9%E7%87%83%E5%85%85%E5%88%86%E5%8F%8D%E5%BA%94%E5%90%8E%E4%B8%80%E5%AE%9A%E5%BE%97%E5%88%B0%E7%BA%AF%E5%87%80%E7%89%A9%E7%9A%84%E6%98%AFA.%E8%B4%A8%E9%87%8F%E6%AF%94%E4%B8%BA8%3A7%E7%9A%84%E6%B0%A7%E6%B0%94%E4%B8%8E%E4%B8%80%E6%B0%A7%E5%8C%96%E7%A2%B3B.%E4%BD%93%E7%A7%AF%E4%B9%8B%E6%AF%94%E4%B8%BA5%3A2%E7%9A%84%E7%A9%BA%E6%B0%94%E5%92%8C%E6%B0%A2%E6%B0%94C.%E5%88%86%E5%AD%90%E6%95%B0%E4%B9%8B%E6%AF%94%E4%B8%BA1%3A2%E7%9A%84%E7%94%B2%E7%83%B7%E4%B8%8E%E6%B0%A7%E6%B0%94D.%E5%8E%9F%E5%AD%90%E6%95%B0%E4%B9%8B%E6%AF%94%E4%B8%BA2%3A1%E7%9A%84%E6%B0%A2%E6%B0%94%E4%B8%8E%E6%B0%AF%E6%B0%94)
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