Give reason -
1)bronze statues turn greenish when kept in open for a few days.
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1
Answer:
Bronze turn green because of chemical reactions between these alloys in atmosphere . Green layer is mostly of copper carbonate
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0
Answer:
When you see that green layer on these metals (usually called patina or verdigris) it's because of a chemical reaction. The copper has reacted with oxygen, water, and carbon dioxide in the atmosphere.
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