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Question 5 - MCQs from NCERT Exemplar - Chapter 3 Class 10 - Metals and Non-Metals

Last updated at May 29, 2023 by

Which of the following oxide(s) of iron would be obtained on prolonged reaction of iron with steam?

(A) FeO

(B) Fe 2 O 3

(C) Fe 3 O 4

(D) Fe 2 O 3 and Fe 3 O 4

 

Answer

When iron is heated with steam, the following reaction takes place.

 3 Fe (s) + 4 H 2 O (g) → Fe 3 O 4 (s) + 4 H 2 (g)

 

So, the correct option is  (c) Fe 3 O 4

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