10.对石蜡在盛有氧气的集气瓶中燃烧,比在空气中燃烧更旺的原因分析错误的是( )
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| A. | 集气瓶中单位体积内氧分子个数多 | |
| B. | 集气瓶中石蜡与氧分子碰撞机会较多 | |
| C. | 空气中氧气浓度不如集气瓶内氧气浓度大 | |
| D. | 石蜡在空气中散发热量速度较快 |