Multiple choice

Assertion (A): In the extraction of iron, there is no need of roasting if pure hematite is used as an ore. Reason (R): The final product of the roasting process is FeO3 in the extraction of iron. Choose the correct opinion.

  1. A is true, but R is false.

  2. A is false, but R is true.

  3. Both A and R are true.

  4. Both A and R are false.

  5. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In the extraction of iron, in roasting step all pure haematite is converted to ferrous oxide (FeO) that combines with oxygen and form Fe2O3. So, the final product of the roasting step is FeO3 in the extraction of iron, and hence  there is no need of roasting.

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