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Transition and Inner Transition Elements — Chemistry STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryTransition and Inner Transition Elements1 Mark
Question
What is the composition of haematite ore?
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Answer

Composition of Haematite ore is $Fe _2 O _3+ SiO _2+ Al _2 O _3+$ phosphates

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