Question

what are the hard and soft substances? How do you identify whether a given material is hard or soft ​

Answer 1

Explanation:

The substance that can easily break are called soft substance. Eg.. 24 Carat Gold

The substance which breaks but after hammered a long time is called a hard substance. Eg...Iron

I have given answer without knowing your class because if we talk about there is a different concept in higher class.So if you belong to higher class please comment. So, that I can Change my answer.

Hope It helps..........