Question

.How materials are arranged in to groups?

Answer 1

Answer:

The grouping of materials can be made on the basis of their properties, their similarities or differences, their constituents, and their shapes. The following few paragraphs depict the grouping of objects based on different materials and some of their properties such as lustre, hardness, solubility and transparency.

Answer 2

Explanation:

Grouping materials saves our time, energy and makes our work easier.

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