1.Classify the following substances according to the given property : a. Property: Lustre Substances: wood, fresh piece of iron, aluminium foil, silk, steel b. Property: Hardness Substances: brick, cotton wool, coal, diamond
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4
Answer:
Lustre:fresh piece of iron, aluminium foil, steel
hardness:diamond, brick
Explanation:
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3
Answer:
lustre:Preice of iron,steel
hardness:diamond is the hardest substance in the world
it is the purest form of carbon
PLS MARK AS BRAINIEST
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