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The brown coloured substance formed when...

The brown coloured substance formed when steam is passed over red hot iron is

A

ferric oxide

B

rust

C

ferrosoferric oxide

D

ferrous oxide

Text Solution

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The brown-coloured substance formed when stream is passed over red hot iron is ferrosoferric oxide.
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PEARSON IIT JEE FOUNDATION-WATER, SOLUTION, SOLUBILITY AND HYDROGEN-CONCEPT APPLICATION (LEVEL 1) (MULTIPLE CHOICE QUESTIONS)
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  9. Which among the following metals react only with steam ?

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  10. Crystals can be made

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  11. Washing soda is an example of a/an substance .

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  12. Which among the following substance acts as a desiccating agent ?

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  13. Which of the following metals is unsuitable for the preparation of hyd...

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  15. Which of the following metals on treatment with concentrated alkali gi...

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