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Question:

Why is the extraction of iron a reduction reaction?

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Answer:

additive inverse is -8 multiplicative inverse is 1/8
additive inverse-8 multiplicative inverse1/8
Because virtually all iron ore in the earth's crust is oxidized.
r u lyk in call 1 r wad? ne ways multiplicative inverse(means no which when multiplied by a number gives one s usually 1/that no):1/8 additive inverse(means no which on adding to a number gives 0 usually rather always is equal to negative f that no): -8
additive inverse is -8 multiplicative inverse is 1/8
additive inverse-8 multiplicative inverse1/8
Because virtually all iron ore in the earth's crust is oxidized.
Because it is extracted from its oxide ore. The iron ore is reacted with coke (a form of carbon) to take away the oxygen and leave iron. The iron ore is reduced to iron and the coke is oxidised to carbon dioxide. Fe2O3 + 3CO → 2Fe + 3CO2 (The carbon monoxide shown in the LHS of the equation is generated from the coke)
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