Question detail
Explain why the addition of chromium and nickel to iron results in a material that is more resistant to corrosion compared to pure iron.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Using materials
Question
Explain why the addition of chromium and nickel to iron results in a material that is more resistant to corrosion compared to pure iron.
Answer
The addition of chromium to iron creates a thin, protective oxide layer that prevents further oxidation and corrosion. Nickel enhances the toughness and strength of the alloy, making it more durable and resistant to environmental factors that cause corrosion.
Explanation
This question assesses the ability to explain the chemical principles behind the properties of stainless steel. It requires an understanding of how specific elements interact with iron to improve its resistance to corrosion.
Common mistake
Misunderstanding Stainless Steel Composition
Students often think that stainless steel is made only of iron and does not contain other elements.
Emphasize that stainless steel contains chromium and nickel, which contribute to its hardness and corrosion resistance.
Related flashcards
Flashcard 1 of 5
Related practice questions
Question 1 of 5
Choose an answer, get feedback, then move sideways through the set.