Given the task definition and input, reply with output. In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

In chemistry , a property is any aspect of a substance which is only seen by means of a chemical reaction .

A chemical property is any of a material 's properties that becomes evident during , or after , a chemical reaction ; that is , any quality that can be established only by changing a substance 's chemical identity .