Single Answer MCQ
Q-00019689
What is the result of copper reacting with moist carbon dioxide?
1
Copper sulphate
2
Basic copper carbonate
3
Copper oxide
4
Copper hydroxide
Answer and Solution
Answer
B. Basic copper carbonate
Solution:
Copper reacts with moist carbon dioxide to form basic copper carbonate, which is commonly seen as the green patina on weathered copper surfaces. Other options are incorrect.
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