1. N5 Nature’s Chemistry and Problem Solving1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

2. 1 C

3. 2 A

4. 3
2015 D

5. 2016 4 B

6. 5
2016 C

7. 2016 6 B

8. 7
2016 B

9. 8 B The above molecule is an example of A A saturated alcohol
B An unsaturated alcohol
C A saturated carboxylic acid
D An unsaturated carboxylic acid

10. 9
2016 C

11. 10
2014 C

12. 2014 11 B

13. 12 C
2014

14. 13 B
2014

15. 14 C
2014

16. Specimen 15 C

17. 16
The name of the salt produced by neutralising propanoic acid with sodium hydroxide could be A Sodium chloride B Potassium ethanoate C Sodium propanoate D Potassium Chloride C

18. Specimen 17 A

19. 18
Which of the following is an isomer of the above? D

20. 19 C
Specimen

21. 20
Specimen B

22. 21
2015 C

23. 22
2015 C

24. 23
2015
Which of the following processes could be used to increase the concentration of ethanol in a solution?
A Cracking
B Dehydration
C Distillation
D Hydrolysis C

25. 24
2014 D

26. 25
Propan-1-ol can be dehydrated. Which of the following compounds is a product of the reaction? A Propanoic acid B Propyl propanoate C Propene D Propane C