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Question 5 - MCQs from NCERT Exemplar - Chapter 3 Class 10 - Metals and Non-Metals (Term 1)

Last updated at March 16, 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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