Question

You have conducted this experiment in yourclassroom. Now answer the following questions.

Testing for prouduction of heat and 

co₂ under anaerobic respiration

a) What do you prove by conducting this experiment?

b) Why do you heat glucose solution?

c) How do you confirm that glucose solution is free from oxygen after heating it?

d) What are the changes you notice in the lime water?

Answer 1

a) To test the production of heat and carbon dioxide during anaerobic respiration.

b) To remove the dissolved oxygen in the glucose solution.

c) By adding diazine green (Janus green B) solution to glucose solution, it turns to pink.

d) Lime water turns milky white.

d) Lime water turns milky white.