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P-1 Metallurgy — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10ScienceP-1 Metallurgy2 Marks
Question
Define : Patination of Copper
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Answer

CO2 in moist air reacts with surface of copper vessel. Copper loses its lustre due to the formation of greenish layer of copper carbonate CuCO3 on its surface. This is called Patination of copper.

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