Identify the colour of deposit formed on the surface of copper when it is exposed to moist air.

Green

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Red

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White

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Black

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Solution

The correct option is A
Green

Copper forms a green deposit on its surface when exposed to air which is usually a mixture of copper carbonate and copper hydroxide.

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Similar questions

When copper is exposed to moist air for a long time then a layer deposits on its surface due to corrosion. The colour of this layer is:

When a vessel is exposed to moist air for a long time,then a green coating is formed on its surface.The vessel must be made of :

(a) zinc

(b) magnesium

(d) copper

When a copper object is exposed to moist air for a long time,then a green coating is formed on its surface.

(a) What is the material of the green coating ?

(b) State whether the green coating is acidic or basic.

When copper vessels are exposed to moist air for a long time, a green coating is formed. Which are the constituents of the coating?
(i) Copper hydroxide
(ii) Copper carbonate
(iii) Copper oxide

Q. What is the green colour coating that forms on copper when it is exposed to the atmosphere?

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Identify the colour of deposit formed on the surface of copper when it is exposed to moist air.

The correct option is A GreenCopper forms a green deposit on its surface when exposed to air which is usually a mixture of copper carbonate and copper hydroxide.

The correct option is A
Green

Copper forms a green deposit on its surface when exposed to air which is usually a mixture of copper carbonate and copper hydroxide.