Extraction of Iron

IMPORTANT

Extraction of Iron: Overview

This Topic covers sub-topics such as Steel, Flux, Cast iron, Blast Furnace, Annealing, Smelting, Wrought iron, Bessemer Process, Open-Hearth Process, Extraction of Iron, Slag Formation and, Preparation of Wrought Iron

Important Questions on Extraction of Iron

EASY
IMPORTANT

Define electric flux. Write its S.I. unit.

EASY
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What are acidic and basic fluxes?

HARD
IMPORTANT

Explain Bessemer Process.

HARD
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The Bessemer Process was the first inexpensive industrial process that allowed for the mass production of steel. 

MEDIUM
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Name the different zones present in blast furnace used for iron.

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State the slag formation during the extraction of iron.

EASY
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Define quenching.

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Define tempering.

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Give examples of metals that can be obtained by smelting.

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Which of the following is the purest form of iron?

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In the metallurgy of iron, when limestone is added to the blast furnace, the calcium ions end up in

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Iron obtained from reduction zone of the blast furnace is

MEDIUM
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Highest carbon content iron is:

HARD
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In blast furnace, iron oxide is reduced by:

EASY
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During the extraction of haematite, limestone is added which acts as

EASY
IMPORTANT

In the manufacture of iron from haematite, limestone is added to act as -