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  • Chalk, iron nail, wood, aluminium, candle, cotton usually lookdifferent from each other. Give some properties by which wecan prove that these materials are different.

Chalk, iron nail, wood, aluminium, candle, cotton usually look different from each other. Give some properties by which we can prove that these materials are different.

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Few properties by which we can prove that these materials are different:

Chalk – Hard, rough, non-lustrous

Iron nail – Hard, smooth, lustrous

Wood – Hard, rough, non-lustrous

Aluminium – Hard, smooth, lustrous

Candle – Hard, smooth, non-lustrous

Cotton – Soft, smooth, non-lustrous

Posted by

Sumit Saini

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