Sorting materials into a groupShort Define:-1) Hardness2) Colour – InterviewSolution

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1.	Sorting materials into a groupShort Define:-1) Hardness2) Colour
Answer» <p>1) Hardness:hardness is another property of materials. Some materials are very hard while some are very soft.Material which are difficult to compress are called hard, e.g. diamond, stone, wood, steel, etc. Diamond is the hardest natural substance.</p><p>2)Appearance:Different materials look different from each other. The appearance depends on colour, hardness, texture, and lustre.</p>

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