Physics · Magnetism
प्राकृतिक चुम्बक (लोडस्टोन) का रासायनिक सूत्र क्या है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Fe(OH)₃
- 2FeO
- 3Fe₂O₃
- 4Fe₃O₄✓
सही उत्तर देखें
Fe₃O₄
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