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Learning objective

Describe stainless steel as containing chromium and nickel and being hard and corrosion resistant. (Chemistry only)

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Topic

Using materials

Subtopic

Alloys as useful materials

Aqa Gcse ChemistryUsing resources

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Quick explanation

Describe stainless steel as containing chromium and nickel and being hard and corrosion resistant. (Chemistry only)

  • This point belongs to Using materials, especially Alloys as useful materials.
  • You need to be able to describe stainless steel as containing chromium and nickel and being hard and corrosion resistant. (Chemistry only).
  • The key ideas to know are steel, nickel, and chemistry only.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

steelnickelchemistry onlystainless steelchromium

Why it matters

This objective helps connect Alloys as useful materials to exam-style questions, flashcards, and revision notes for Using materials.

Quick student answer

How does stainless steel work?

Direct answer

In Chemistry, this page helps you answer questions about stainless steel within Using materials. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are stainless steel and corrosion resistance.

Key terms

  • stainless steel: An alloy of iron that contains chromium and nickel, known for its hardness and resistance to corrosion.
  • corrosion resistance: The ability of a material to withstand degradation due to chemical reactions with environmental substances.

Common trap

Misunderstanding Stainless Steel Composition: Emphasize that stainless steel contains chromium and nickel, which contribute to its hardness and corrosion resistance.

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