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CCEA Life and Health Sciences AS 3 Physical Chemistry in Industrial Processes overview quiz quiz

16questions. Pick an answer and you'll see why right away.

  1. According to collision theory, a reaction can only occur when particles collide with:

  2. Why does raising the temperature have such a large effect on reaction rate?

  3. How does a catalyst increase the rate of a reaction?

  4. For an exothermic reaction, the enthalpy change (delta H) is:

  5. A dynamic equilibrium in a closed system is reached when:

  6. Increasing the pressure on a gaseous equilibrium shifts it towards:

  7. What effect does adding a catalyst have on the position of an equilibrium?

  8. A Bronsted-Lowry acid is defined as a substance that is a:

  9. How does a strong acid differ from a weak acid?

  10. On the pH scale, a lower pH value indicates a solution that is:

  11. What are the products when an acid is neutralised by an alkali?

  12. Which catalyst is used in the Haber process to make ammonia?

  13. Why does the Haber process use a moderate temperature rather than a low one?

  14. In a redox reaction, oxidation is defined as the:

  15. During electrolysis, reduction of positive ions occurs at the:

  16. What is the oxidation number of sulfur in the sulfate ion (one sulfur, four oxygens, charge minus 2)?