1. How does sulfur dioxide form in car engines?

Question 1 of 22

2. Recall a use of bitumen

Question 2 of 22

3. What is a fuel?

Question 3 of 22

4. A student names this molecule 2-ethylpentane. Which of these statements is true about the student's naming of the molecule?

Question 4 of 22

5. If a substance has a simple molecular structure, what physical state might it be at room temperature?

Question 5 of 22

6. Recall the products of the complete combustion of alkanes

Question 6 of 22

7. Explain the term hydrocarbon

Question 7 of 22

8. Why is the boiling point of a larger molecule higher than that of a smaller molecule?

Question 8 of 22

9. What is meant by the term viscosity?

Question 9 of 22

10. Explain how crude oil is separated into fractions

Question 10 of 22

11. Name the greenhouse gas released from burning hydrocabons

Question 11 of 22

12. Explain the term saturated

Question 12 of 22

13. Balance the following equation: WO₃ + H₂ → W + H₂O

Question 13 of 22

14. Why does incomplete combustion occur?

Question 14 of 22

15. What is the name of this molecule?

Question 15 of 22

16. Describe how nitrogen oxides and sulfur dioxide contribute to acid rain

Question 16 of 22

17. Why can nitrogen react with oxygen in a car engine?

Question 17 of 22

18. Explain the term isomerism

Question 18 of 22

19. Name this molecule

Question 19 of 22

20. A pupil has tried to write down various ways of representing ethane using: molecular formula, displayed formula, general formula, empirical formula and stuctural formula. However she has missed one out. Which one?

Question 20 of 22

21. What is crude oil?

Question 21 of 22

22. State the names and molecular formulae of the first 5 alkanes

Question 22 of 22