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Q.

Which reaction is causes the high temperature in a blast furnace?

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a

Carbon + Oxygen Carbon dioxide

b

Iron(III) oxide + Carbon monoxide Iron + Carbon dioxide

c

Calcium carbonate + Silicon dioxideCalcium silicate + Carbon dioxide

d

Carbon dioxide + Carbon Carbon monoxide

 

answer is A.

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Detailed Solution

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The reaction between oxygen and carbon is exothermic and causes an increase in blast furnace temperature. 

Carbon reacts with oxygen to form carbon dioxide. This is an exothermic reaction that produces 394 kJ/mol of heat.

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