Question

7. What are hard and soft substances? How do you identify whether a given material
s hard or sort?
describe​

Answer 1

Answer:

Those materials which cannot be easily compressed, cut, bent or scratched are called hard materials. Examples: Iron, glass.

Those materials which can be easily compressed, cut, bent or scratched are called soft materials. Examples: Sponge, Cotton

Answer 2

Explanation:

the materials which cannot be easily compressed