Question

why was the glucose solution boiled before adding the yeast suspension

Answer 1

Explanation:

Boil the glucose solution to sterilise it and remove any oxygen, leaving behind the glucose needed for anaerobic respiration. Cool before adding the yeast (high temperatures will kill it). ... Yeast will respire anaerobically producing alcohol, heat and carbon dioxide that can be collected in limewater 

Answer 2

Boil the glucose solution to sterilise it and remove any oxygen, leaving behind the glucose needed for anaerobic respiration. Cool before adding the yeast (high temperatures will kill it). ... Yeast will respire anaerobically producing alcohol, heat and carbon dioxide that can be collected in limewater .