Author Question: Which of the following statements about the rusting of iron is true? A) Iron is reduced in the ... (Read 69 times)

saraeharris · **on:** Aug 27, 2018

Which of the following statements about the rusting of iron is true?

A) Iron is reduced in the presence of oxygen.
B) Iron is oxidized in the presence of oxygen.
C) The iron(III) hydroxide forms a hard coating that protects the iron from undergoing further corrosion.
D) Iron will rust more quickly in the absence of water.

Question 2

Limestone is added to the iron producing mixture in a furnace to

A) add carbon to the mixture.
B) provide an additional reducing agent to extract all of the iron from the ore.
C) combine with silicates to remove impurities in the form of a slag.
D) produce a more corrosion resistant iron.