1. State the general formula of alkanes

Question 1 of 22

2. Why is carbon dioxide, CO₂ harmful to the environment?

Question 2 of 22

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

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4. What is the molecular formula for propane?

Question 4 of 22

5. What is produced when nitrogen reacts with oxygen?

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6. Name this molecule

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7. Explain the term hydrocarbon

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

Question 8 of 22

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

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

Question 10 of 22

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

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12. Recall a use of bitumen

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13. What is crude oil?

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14. Explain the term isomerism

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15. Why are alkanes classified as saturated hydrocarbons?

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16. 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 16 of 22

17. How does sulfur dioxide form in car engines?

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

Question 18 of 22

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

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20. Describe the trend in boiling points of the main fractions in crude oil

Question 20 of 22

21.

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 21 of 22

22. Explain why carbon monoxide is dangerous to humans

Question 22 of 22