Chemistry · Metals and Non-metals
कौन सी धातु, जब लंबे समय तक नम हवा के संपर्क में रहती है, तो उस पर क्षारीय कार्बोनेट की हरी परत चढ़ जाती है?
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- 3चांदी (सिल्वर)
- 4तांबा (कॉपर)✓
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तांबा (कॉपर)
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