Metals are said to be shiny. Why do metals generally appear to be dull ? How can their brightness be

Asked by  | 20th 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  | 21st Oct, 2009, 09:34: AM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.