Question

SCIENCE
Mathematics
Q.20 Single Choice
The chemical composition of the dull green coating
acquired by copper vessels when exposed to moist
air is
CuCO3
Cu(OH)2
Cu(OH)2 + CuCO3
CuO + CuCO3​

Answer 1

CuCo3

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Answer 2

Answer:

When copper vessel is exposed to air turns green in colour due to corrosion. It is so because the metal reacts with moisture and atmospheric gases to form a mixture of copper carbonate and copper hydroxide, which gives a green colour to the surface of copper vessel.

Explanation:

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