Extraction Of Iron Flashcards by Raja Mateew

Q

What method is used to extract iron?

A

Reduction of metal oxide with a non metal

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Q

Ore of iron

A

Hematite

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Q

Fe2O3

A

Hematite

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Q

C + O2 -> 2 CO

A

Burning of coke/carbon to provide heat & co2

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Q

Why burn coke/ carbon in oxygen?

A

-provide heat
-provide co2

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Q

CO2 + C -> 2CO

A

Reduction of carbon dioxide to carbon monoxide

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Q

Fe2O3 + 3CO —> 2Fe + 3CO2

A

Reduction of iron (///) oxide by carbon monoxide

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Q

CaCO3

A

Calcium carbonate/ limestone

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Q

CaCO3 -> CaO + CO2

A

Thermal decomposition of calcium carbonate / limestone to make calcium oxide

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Q

CaO

A

Calcium oxide

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Q

SiO

A

Silicone dioxide

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Q

Silicone dioxide is a …

A

Non metal oxide (Acidic)

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Q

Calcium oxide is a …

A

Metal oxide (basic)

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Q

Non metal oxides are

A

Acidic

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Q

Metal oxides are

A

Basic

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Q

Formation of slag is a ___ reaction

A

Neutralaisation

Q

Carbon monoxide is a strong ____

A

Reducing agent

Q

CaO + SiO2 ->

A

CaSiO3 (slag)