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实验目的硫在空气、氧气中的燃烧实验是氧气的重要性质实验之一。观察到明显的实验现象既是学好本节内容的关键,又是培养同学们观察能力、提高学习兴趣和环保意识的重要一环。
Experimental purposes Sulfur in air, oxygen combustion experiment is one of the important properties of oxygen experiments. Observing the obvious experimental phenomenon is not only the key to learning the content of this section, but also an important part of cultivating students’ ability to observe and improve their learning interest and environmental awareness.