Chemistry Metals and Non-metals CBSE Board 2026 Easy
A student notices that her silver jewellery turned dull and had a grey-black coating over it after wearing fo…
A student notices that her silver jewellery turned dull and had a grey-black coating over it after wearing for a few months. What results in the change in colour of the silver metal ?
- (a)The polish over the jewellery was removed after wearing for a few months.
- (b)The jewellery comes in contact with air, moisture and acids and corrodes.
- (c)Dust particles over the jewellery change its colour.
- (d)Its colour changes due to rusting.
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