1. What is crude oil?

Question 1 of 22

2. Write a chemical equation for the complete combustion of propane

Question 2 of 22

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

Question 3 of 22

4. Why are alkanes classified as saturated hydrocarbons?

Question 4 of 22

5. 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 5 of 22

6. Explain the term homologous series

Question 6 of 22

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

Question 7 of 22

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

Question 8 of 22

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

Question 9 of 22

10. Recall a use for each of the 6 fractions obtained from the fractional distillation of crude oil

Question 10 of 22

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

Question 11 of 22

12. What is a fuel?

Question 12 of 22

13. Name the greenhouse gas released from burning hydrocabons

Question 13 of 22

14. Name this molecule

Question 14 of 22

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

Question 15 of 22

16. Why does incomplete combustion occur?

Question 16 of 22

17. Explain the term hydrocarbon

Question 17 of 22

18. How does sulfur dioxide form in car engines?

Question 18 of 22

19. What is the name of this molecule?

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 general formula of alkanes

Question 21 of 22

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

Question 22 of 22


 

Related Posts: