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82问答网 > 做铁丝在氧气燃烧实验铁丝并没有燃烧的原因可能有哪些？

做铁丝在氧气燃烧实验铁丝并没有燃烧的原因可能有哪些？

2025-04-01 17:06:40

推荐回答（2个）

回答1：

1，过早放入火柴消耗部分氧气2，氧气本身不足，3铁丝氧化4-铁丝没有弯曲，受热面积过小5火柴梗熄灭后才放入。。。。。。。打出三点即可

回答2：

瓶底爆裂是因为灼热的四氧化三铁落到瓶底导致瓶底局部升温膨胀而爆裂，在瓶底铺细沙或加水就不会爆裂了。
火柴是为了给铁丝持续加热，如果烧好在放入瓶中温度尚不够

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