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Learning objective

Explain that an alloy is formed by combining a metal with other elements, such as brass, which consists of copper and zinc, and stainless steel, which includes iron along with elements like chromium, nickel, and carbon.

Read the explanation, check the common trap, then practise with flashcards and questions.

Exam focus

  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE ChemistryMetalsCore content

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Quick explanation

Explain that an alloy is formed by combining a metal with other elements, such as brass, which consists of copper and zinc, and stainless steel, which includes iron along with elements like chromium, nickel, and carbon

  • This point belongs to Alloys and their properties, especially Alloys and their properties outcomes.
  • You need to be able to explain that an alloy is formed by combining a metal with other elements, such as brass, which consists of copper and zinc, and stainless steel, which includes iron along with elements like chromium, nickel, and carbon.
  • The key ideas to know are Describe and Identify.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DescribeIdentify

Why it matters

This objective helps connect Alloys and their properties outcomes to exam-style questions, flashcards, and revision notes for Alloys and their properties.

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Paper 3 structured question: Alloys and their properties

Paper 3Theory (Core)1 marks

Description

Composition of Alloys

Brass is an alloy made from copper and zinc. Stainless steel is an alloy that includes iron, chromium, nickel, and carbon.

  1. a

    State What two metals make up brass?

    Aim for approximately 1 distinct marking point.

    [1]
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