Question

when a Copper vessel is exposed to moist air for long, it acquires
coating. The green material is a mixture of
(a) Copper oxide and Copper carbonate (b) Copper hydroxide and Copper carbonate
(c) Copper oxide and Copper nitrate (d) Copper hydroxide and Copper nitrate
their natural habitator​

Answer 1

Answer:

b) copper carbonate and copper hydroxide

Explanation:

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

Answer 2

Option b

Copper is a chemical element with the symbol Cu (from Latin: cuprum) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkish-orange color.