Question

Why there is a need of group material any five points

Answer 1

Answer:

1) materials are grouped together on the basis of similarities and differences in their properties .

2) materials are grouped together for convenience and to study their properties.

3) grouping of material saves our time , energy and makes our study easier .

Answer 2

Answer:

Answer: materilals are grouped together on the basis of similarities and differences in their properties. materials are grouped si that we can study their properties. grouoing material saves our time and energy.