CBSE Class 10 Answered
Metals are said to be shiny. Why do metals generally appear to be dull ? How can their brightness be
Asked by | 20 Oct, 2009, 06:31: PM
Expert Answer
Yes, metals have a lustre or are shiny.
Some metals develop a layer of oxide over them and thus might appear to be dull like magnesium.
The brightness can be resumed by rubbing off the layer deposited over the metal.
Answered by | 21 Oct, 2009, 09:34: AM
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