Chemistry · Metals and Non-metals
लोहे में जंग लगने पर उसके भार में क्या परिवर्तन होता है?
- 1पहले बढ़ता है फिर घटता है✓
- 2पहले घटता है फिर बढ़ता है
- 3लंबे समय तक बढ़ता है
- 4समान रहता है
सही उत्तर देखें
पहले बढ़ता है फिर घटता है
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