N5 Nature’s Chemistry and Problem Solving 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
1 C
2 A
3 2015 D
2016 4 B
5 2016 C
2016 6 B
7 2016 B
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
9 2016 C
10 2014 C
2014 11 B
12 C 2014
13 B 2014
14 C 2014
Specimen 15 C
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
Specimen 17 A
18 Which of the following is an isomer of the above? D
19 C Specimen
20 Specimen B
21 2015 C
22 2015 C
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
24 2014 D
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