In the extraction of iron, hot air is introduced into the blast furnace through?

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Chemistry JAMB 2022

In the extraction of iron, hot air is introduced into the blast furnace through?

  • valves
  • open-hearths
  • arcs
  • tuyeres checkmark

The correct answer is: D

Explanation

Pre-heated air at about 600ºC is blown into the furnaces from the bottom through the tuyeres.

There is an explanation video available .

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