Which colored surface is formed when silver gets corroded?

Black

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Orange

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Grey

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Red

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Solution

The correct option is A
Black

The action of corrosion on silver leads to the formation of silver sulphide which turns silver into the black colored surface.

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Similar questions

The elements of sets A , B and C are all colours as follows:

A = { Red , Orange , Yellow , Brown } ,

B = { Blue , Yellow , Green , Brown } ,

C = { Black , Brown , White , Grey }

Then, A U B U C is

	Appearance	Reactions with dilute $H C l$	Reaction with Dilute $H N O_{3}$
Unknown metal 1	Dull grey solid with white oxide coating	Dissolved with bubbles of clear gas	Dissolved with bubbles of clear gas
Unknown metal 2	Solid, lustrous, smooth silver-grey surface	No reaction	Dissolved with bubbles of orange gas

H C l

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