Skip to content

Menu

Game modes

Account

← Metals, Non-metals and Alloys
GK QUESTION#3189

Consider the reaction of heated iron with steam.

1. A gas is evolved during this reaction.

2. The evolved gas is methane.

Which statements are correct?

  1. A1 onlyCorrect answer
  2. B2 only
  3. CBoth 1 and 2
  4. DNeither 1 nor 2
Show AnswerHide Answer

Answer

A. 1 only

Show ExplanationHide Explanation

Explanation

Heated iron reacts with steam to form magnetite and hydrogen: 3Fe + 4H₂O → Fe₃O₄ + 4H₂. Hydrogen, not methane, is evolved. For the stated steam conditions, only statement 1 is true.

Sign in to report a question issue

Explore this topic

Which element takes its name from Cyprus, the island shown in the Royal Society of Chemistry’s illustration for…Which of the following gases plays an important role in welding titanium, aluminium, stainless steel, and magnesium?Which salt forms when zinc reacts with dilute sulfuric acid?