2. Experiment on raising agents

Date: 16-9-08

Chemical Raising Agents

To find the most suitable raising agent for making plain scones.

A: control   B: bic of soda  C: cream of tartar  D: baking powder  E: self- raising flour

pour a few drops of indicator solution onto the  cut surface of each sample and record the pH.

 

Biological Raising Agents

To investigate the fementation action of yeast and how it is affected by various additives.