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- 1. Multiple Choice
What is the name of the Iron ore?
Iron Chloride
Bauxite
Hematite
Iron Pyrite
- 2. Multiple Choice
The diagram shows the blast furnace used in the extraction of Iron. The furnace is loaded with the 'Charge' which consists of
Calcium Oxide, Coke and Iron Ore
Calcium Carbonate, Coke and Iron Chloride
Calcium Carbonate, Coke and Iron Ore
Calcium Oxide, Coke and Iron Ore
- 3. Multiple Choice
One of the major impurities in the iron ore is....
Silica, SiO2
Sulfur, S
Calcium Silicate, CaSiO3
Carbon
- 4. Multiple Choice
The iron produced from the extraction process flows to the bottom of the furnace and is then tapped off because....
The temperature of the furnace is lower than the melting point of iron
The temperature of the furnace is higher than the melting point of iron
- 5. Multiple Choice
The impurities in the iron ore will be reacted with Calcium Oxide to produce...
Sulfur dioxide
Calcium Silicate
Calcium Carbonate
Silica
- 6. Multiple Choice
Calcium Carbonate (Limestone) is converted to Calcium oxide through which reaction
Nautralisation
Displacement
Thermal Decomposition
Exothermic
- 7. Multiple Choice
Iron ore(Iron(III) Oxide) is reduced by carbon monoxide through the following reaction..
Fe3O2 + CO ---> 2Fe + 3CO2
Fe2O3 + 3CO ---> 2Fe + 3CO2
Fe3O2 + C ---> 2Fe + 3CO2
Fe2O3 + CO ---> 2Fe + 3CO2
- 8. Multiple Choice
The following gases are useful when extracting Iron from its ore.
Carbon Dioxide
Oxygen
Carbon Monoxide
Sulfur Dioxide
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