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प्रश्न
Chemically rust is ______.
पर्याय
Hydrated ferrous
Only ferric oxide
Hydrated ferric oxide
None of these
MCQ
रिकाम्या जागा भरा
उत्तर
Chemically rust is Hydrated ferric oxide.
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Effects of Chemical Changes: Production of Heat, Light, Sound and Pressure
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