From Wikipedia, the free encyclopedia
二氧化硫（式書SO2），硫之氧化物也。室溫常壓之下，其形為氣，加之以壓，或以寒，其形遂為液。二氧化硫者，大氣污染物，性有毒。
二氧化硫者，硫之燃燒得之。
並亞硫酸鹽與強酸者，亦可得之。
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