6. What is the result of the ethaneol emulsion test if it is positive?
- White emulsion forms near the top of the water
- Cloudy solution
- Colour change
7. What is the colour change with the biuret reagent?
- Lilac to blue
- Blue to lilac
- Blue to orange red
- Brown to blue/black
8. What is the colour change of the solution in the test for starch if starch is present?
- Blue to orange red
- Brown to blue/black
- Blue/black to brown
- Lilac to blue
