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Name two important ores of iron. Describ...

Name two important ores of iron. Describe the principle of extraction of iron from an important ore. How does iron react with dilute and concentrate nitriacid separately ?

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Name three important ores of iron .

Give the principle of extraction of iron from one of its ore.

The important ore of iron is :

How does iron react with dilute nitric acid ?

MODERN PUBLICATION-SAMPLE PAPER 2011-EXERCISE
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