Question

6 Why do we need to group material​

Answer 1

Answer:

We need to group materials so that we can sort out among the different materials and study about their properties.

Answer 2

Answer:

why do we need to group materials. Materials are grouped together on the basis of similarities and differences in their properties. Materials are grouped together for convenience and to study their properties. Grouping materials saves our time, energy and makes our work easier.

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