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Question

In Bessemer converter ______ is removed as phosphate slag:

A
Phosphorus trioxide
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B
Phosphorous pentoxide
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C
Both A and B
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D
None of these
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Solution

The correct option is B Phosphorous pentoxide
Bessemer converter is the industrial process for the production of steel from pig iron. The key principle is to remove phosphorous pentoxide from iron by oxidation in the form of phosphorous slag. Dolomite is used when phosphorous is high in alkaline bessemer.

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