Question

3. Which of these substance has a brown color and is

detected by the spectrophotometer in our reaction?
A) Guaiacol
D) Tetraguaiacol
B) Peroxidase E) Hydrogen peroxide
C) buffer

Answer 1

E) Hydrogen peroxide

Step-by-step explanation:

Hydrogen peroxide is the substance that has a brown color and is detected by the spectrophotometer in our reaction.