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1. Explain the term hydrocarbon

Question 1 of 22

2. State the general formula of alkanes

Question 2 of 22

3. What is a substance called if it, when burned, releases heat energy?

Question 3 of 22

4. Recall a use of gasoline

Question 4 of 22

5. Name the greenhouse gas released from burning hydrocabons

Question 5 of 22

6. What is the name of this molecule?

Question 6 of 22

7. Why is the melting point of a smaller molecule lower than that of a larger molecule?

Question 7 of 22

8. Explain the term isomerism

Question 8 of 22

9. 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 9 of 22

10. Explain the term saturated

Question 10 of 22

11. A student has been asked to draw all the alkene isomers of C₄H₈ and draws the following. Which of the following statements about the student's diagram is correct?

Question 11 of 22

12. What is the name of the process in which crude oil is separated into its various components?

Question 12 of 22

13. Name this molecule

Question 13 of 22

14. Explain why carbon dioxide gas, CO₂, is a gas at room temperature

Question 14 of 22

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

Question 15 of 22

16. How does sulfur dioxide form in car engines?

Question 16 of 22

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

Question 17 of 22

18. What does volatile mean? Which fraction of crude oil is the most volatile?

Question 18 of 22

19. Why does incomplete combustion occur?

Question 19 of 22

20. Write the chemical equation for sulfur dioxide dissolving in water to form acid rain

Question 20 of 22

21. What is crude oil?

Question 21 of 22

22. In car engines, sparks cause the formation of some gases which contribute to acid rain. What are these gases?

Question 22 of 22


 

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