Question

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Why coke is used to make iron not coal?​

Answer 1

Answer:

Coke is used as a fuel and a reducing agent in melting iron ore. It is produced by baking coal until it becomes carbon by burning off impurities without burning up the coal itself. When coke is consumed it generates intense heat but little smoke, making it ideal for smelting iron and steel

Explanation:

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Answer 2

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Coke is used to make iron but not coal because :

1. Coke produces more heat on burning than coal.
2. Coke has a higher calorific value than coal.
3. When equal masses of coke and coal are burnt, coke produces more heat.