Is copper,sulphur ,lead ,carbon and chalk shiny or dull after being rubbed on sand paper
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Copper and lead is shiny after rubbing on sand paper.
Explanation: Metals have a lustre as their physical property. Therefore they shine after being rubbed on sand paper.
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Sulphur, Carbon and chalk are dull/no change in physical appearance after rubbing on sand paper.
Explanation- Sulphur, Carbon and Chalk are non-metals and hence they do not have lustre as their physical property. Therefore they shine after being rubbed on sand paper.
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