The reaction that does NOT take place in a blast furnace between 900 K to 1500 K temperature range during extraction of iron is :Fe2O3+CO→2FeO+CO2FeO+CO→Fe+CO2C+CO2→2COCaO+SiO2→CaSiO3

What is the main source of heat in the iron extraction process of Iron in a blast furnace?1 markLimestoneIron oxides Hot airCoke

ron ore contains iron(III) oxide, Fe 2 O3 . A blast furnace is used to extract iron from Fe 2 O3 .Equations for some of the reactions in the blast furnace are shown.equation 1 C + O2 → CO2equation 2 CaCO 3 → CaO + CO2equation 3 CaO + SiO2 → CaSiO3(a) Equation 1 shows the combustion of carbon in the blast furnace.(i) Name the substance which provides the carbon for this reaction........................................................................................................................................ [1](ii) State the purpose of the combustion of carbon in the blast furnace.

Consider the following reactions which occur in blast furnace for the extraction of iron from its ore.Fe2O3 + CO Fe3O4 + CO2 (T1)FeO + CO Fe + CO2 (T2)FeO + C Fe + CO (T3)Fe3O4 + CO FeO + CO2 (T4)Where T1, T2, T3 and T4 are the temperatures at which reactions occur in blast furnace. Which of the following option contains the correct order of temperature?

Iron(III) oxide, Fe2 O3 , in iron ore is converted to iron when it reacts with carbon monoxide, CO,in the blast furnace.(i) Calculate the percentage by mass of iron in iron(III) oxide, Fe 2 O3 .percentage = ..............................% [2](ii) State the name of the iron ore which consists mainly of iron(III) oxide........................................................................................................................................ [1](iii) Describe how carbon monoxide is formed in the blast furnace........................................................................................................................................ [1](iv) Write the symbol equation to show the reaction that occurs when iron(III) oxide is convertedto iron in the blast furnace........................................................................................................................................ [2](v) Name the chemical process which happens to iron when iron(III) oxide is converted toiron in the blast furnace........................................................................................................................................ [1](c) State the type of reaction shown by equation 2............................................................................................................................................... [1]

The limestone used in the blast furnace during the extraction of iron         I    produces carbon dioxide       II    produces carbon monoxide      III    removes silica as a slagAI, II and IIIBI and III onlyCII and III onlyDIII only