题目内容
请从下图分离空气示意图中获取物质的组成、构成、性质、变化等信息各一条:
组成________________________________________________________________
性质________________________________________________________________
变化________________________________________________________________
结构________________________________________________________________
请从下图分离空气示意图中获取物质的组成、构成、性质、变化等信息各一条:
组成________________________________________________________________
性质________________________________________________________________
变化________________________________________________________________
结构________________________________________________________________
请从下图分离空气示意图中获取物质的组成、构成、性质、变化等信息各一条:
组成________________________________________________________________
性质________________________________________________________________
变化________________________________________________________________
结构________________________________________________________________