1. What is a fuel?

Question 1 of 22

2. Explain how crude oil is separated into fractions

Question 2 of 22

3. Name the greenhouse gas released from burning hydrocabons

Question 3 of 22

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

Question 4 of 22

5. Do larger molecules have higher or lower boiling points than smaller molecules?

Question 5 of 22

6. Recall the names of the main fractions obtained from crude oil, in order of lowest boiling point first

Question 6 of 22

7. How does sulfur dioxide form in car engines?

Question 7 of 22

8. What do each of the following state symbols represent: (s), (l), (g), (aq)

Question 8 of 22

9.

A student has been asked to draw all the alkene isomers of C₄H₁₀ and draws the following. Which of the following statements about the student's diagram is correct?

Question 9 of 22

10. What is the molecular formula for ethane?

Question 10 of 22

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

Question 11 of 22

12. In the fractional distillation of crude oil, how does viscosity change as the chains get longer?

Question 12 of 22

13. What is crude oil?

Question 13 of 22

14. 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 14 of 22

15. Explain the term hydrocarbon

Question 15 of 22

16. What is produced when nitrogen reacts with oxygen?

Question 16 of 22

17. Name this molecule

Question 17 of 22

18. Explain the term isomerism

Question 18 of 22

19. Recall all the possible products of the incomplete combustion of alkanes

Question 19 of 22

20. Explain the term saturated

Question 20 of 22

21. Why does incomplete combustion occur?

Question 21 of 22

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

Question 22 of 22


 

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