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同一种物质在不同条件下可能表现不同的性质.命题者常常抓住这一特征,从不同角度考查化合物的性质,所以就要求我们在学习的过程中,应该多角度认识物质,掌握物质的本质性质.下面我们来认识明矾.
The same substance may behave differently under different conditions. Propositioners often grasp this feature and examine the nature of the compound from different perspectives. Therefore, we need to understand the substance from many angles and grasp the essence of matter in the process of learning. Nature. Here we come to know Alum.