Investigate and describe the use of biological washing powders that contain enzymes

Investigate and describe the effect of changes in temperature and pH on enzyme activity with reference to optimum temperature and denaturation

Describe the use of: (a) iodine solution test for starch (b) Benedict’s solution test for reducing sugars (c) biuret test for proteins (d) ethanol emulsion test for fats and oils (e) DCPIP test for vitamin C