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Secondary revision · Chemistry Form 1

Elements, Compounds and Mixtures

Question 1 of 3 Grade: Form 1
Q1 Essay · up to 5 points
What is the difference between a compound and a mixture?
Worth up to 5 points

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About this topic

This topic focuses on differentiating between elements, compounds, and mixtures, a core component of the ECZ syllabus. You will learn to define and classify pure substances, understand the formation of compounds, and explore various types of mixtures. Through CBC-aligned activities, you will develop skills in drawing particle diagrams, using separation methods relevant to Zambian industries (like mining), and applying concepts of purity. This builds a strong foundation for chemical formulae and equations in later forms. Mastery of this topic is crucial for exam readiness, as questions on classification and separation frequently appear in Form 1 assessments and revision tests.

What you'll practise (3 questions)

  1. Which of the following is a pure compound? A) Ethanol B) Petrol C) Steel D) Tap water
  2. What is the difference between a compound and a mixture?
  3. What is a mixture?

Answer each question above to see the correct answer and a full explanation.