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Chemical reactions: oxidation

The starter and exit quiz of the lesson “Chemical reactions: oxidation”, from the unit “Understanding chemical reactions” (Year 8 Science) by Oak National Academy.

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Oak National Academy

12 questions

  1. Which of the following best describes an element?
  2. What happens to the total mass of substances during a chemical reaction?
  3. Match the following terms with their definitions:
  4. A ___ is a substance made of two or more elements chemically bonded.
  5. Why is it important to follow safety protocols in the laboratory?
  6. A ___ change results in the formation of new substances with different chemical properties, such as burning or rusting.
  7. In an oxidation reaction involving magnesium and oxygen, which of the following is a correct product?
  8. What are the three necessary components for combustion to occur?
  9. ___ is a type of reaction in which oxygen bonds to elements of the reactants.
  10. What is rusting?
  11. An oxide is a compound containing ___ that is formed during an oxidation reaction.
  12. Match the key words to their definitions:

License: OGL

Chemical reactions: oxidation · Examplary