1. What is the molecular formula for ethane?

Question 1 of 22

2. Explain why carbon monoxide is dangerous to humans

Question 2 of 22

3. How does sulfur dioxide form in car engines?

Question 3 of 22

4. Explain the term homologous series

Question 4 of 22

5. Explain the term saturated

Question 5 of 22

6. Explain how crude oil is separated into fractions

Question 6 of 22

7. State the general formula of alkanes

Question 7 of 22

8. Recall a use of bitumen

Question 8 of 22

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

Question 9 of 22

10. Recall the products of the complete combustion of alkanes

Question 10 of 22

11. What is crude oil?

Question 11 of 22

12. Name the greenhouse gas released from burning hydrocabons

Question 12 of 22

13. Which fraction of crude oil has the lowest boiling point?

Question 13 of 22

14. Explain why nitrogen gas, N₂, is a gas at room temperature

Question 14 of 22

15. What is a fuel?

Question 15 of 22

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

Question 16 of 22

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

Question 17 of 22

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

Question 18 of 22

19. Explain the term hydrocarbon

Question 19 of 22

20. Balance the equation for the reaction: ___ HCl(aq) + ___ MnO₂(s) → ___MnCl₂(aq) + ___H₂O(l) + ___ Cl₂(g)

Question 20 of 22

21. State the problem associated with sulfur dioxide in the atomosphere?

Question 21 of 22

22. Name this molecule

Question 22 of 22


 

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