Chemistry · Corrosion and Prevention
वायु के संपर्क में आने पर चांदी की वस्तुओं पर एक __________ परत का बनना संक्षारण का एक उदाहरण है।
- 1भूरी
- 2हरी
- 3काली✓
- 4नीली
सही उत्तर देखें
काली
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