Chemistry · Chemical Reactions
लोहे में जंग लगने पर उसका भार:
- 1बढ़ जाता है✓
- 2कम हो जाता है
- 3वही रहता है
- 4पहले कम होता है फिर बढ़ जाता है
सही उत्तर देखें
बढ़ जाता है
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