The material mixed before ore is subjected for smelting in the extraction of iron are:

cake and silica

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coke and limestone

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limestone and silica

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coke, limestone and silika

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Solution

The correct option is C coke and limestone
Smelting is a form of extraction metallurgy. Its main purpose is to get pure metal from th ore. Coke and limestone are added. Coke acts as an reducing agent and limestone acts as a flux. Concentrated ore of iron i.e. haemetite is used.

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In the extraction of Iron from Haematite Fe₂O₃, the ore is calcinated before smelting – True or False?

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