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Iron exhibits bcc structure at room temperature. Above 900oC, it transforms to fcc structure. The ratio of density of iron at room temperature to that at 900oC (assuming molar mass and atomic radii of iron remains constant with temperature) is: |
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Answer» Iron exhibits bcc structure at room temperature. Above 900oC, it transforms to fcc structure. The ratio of density of iron at room temperature to that at 900oC (assuming molar mass and atomic radii of iron remains constant with temperature) is: |
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