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物质的化学变化

> 下列变化中，属于化学变化的是 A.白炽灯在使用过程中灯丝断裂 B.工业上用液态空气制取氧气 C.用石灰浆抹的墙壁一段时间后变硬 D.在云层中撒布干冰进行人工降雨

问题：

发布时间：2024-09-13

下列变化中，属于化学变化的是

A.白炽灯在使用过程中灯丝断裂
B.工业上用液态空气制取氧气
C.用石灰浆抹的墙壁一段时间后变硬
D.在云层中撒布干冰进行人工降雨

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