1

25.1 To investigate chemical properties of alkanes

19/09/2001

2

25.2 To crack medicinal paraffin and test for flammability of product

27/09/2001

3

26.1 To construct a model of fire extinguisher and demonstrate its use

27.1 To test car exhaust gases-+

27.2 To test sulphur dioxide and nitrogen dioxide for acidity

09/10/2001

4

28.2 To crack medicinal paraffin and test for unsaturation in the gaseous product (demo)

28.3 To prepare polystyrene

28.4 To prepare Perspex

22/10/2001

5

28.5 To prepare nylon 6.6 and urea-methanal

31/10/2001

6

29.3 Oxidation of ethanol to ethanoic acid by acidified potassium dichromate solution

29.4 To prepare an ester

13/11/2001

7

30.2 To prepare a soap and test its properties

30.3 To compare action of soap and soap less detergents in soft water and hard water

21/11/2001

8

31.1 To make and test a fertilizer ammonium sulphate

29/11/2001

9

31.2 To investigate action of alkali on an ammonium salt

33.1 To electrolyze brine and allow the anode gas to react with the resulting solution

07/12/2001

10

33.2 Action of acid on chlorine bleach and oxidizing property of chlorine water

33.3 Action of chlorine bleach on coloured substances

17/12/2001

11

33.4 To bleach coloured papers and flower petals with sulphur dioxide

33.5 To investigate reducing properties of sulphur dioxide and sulphite ion

09/01/2002

12

35.1 To compare the ‘neutralizing power’ of anti-acid tablets of different brands

17/01/2002

13

35.2 To run a cigarette smoking machine and examine the products

28.1 To test the strength of some plastic articles and ease of softening of plastics (skip section A; demo the section B)

25/01/2002

29.1 To prepare ethanol by fermentation (section A)

29.2 To prepare tincture of iodine