In a reaction involving I− , I2 and starch, you observe the rate at which a blue color appears over time. Which statement is true?
You are observing the appearance of products over time.
You are observing the appearance of the transition state over time.
You are observing the disappearance of reactants over time.
You are observing the disappearance of products over time.

a  solution  is always transparent, light passes through with no scattering from solute particles which are molecule in size. the  solution  is homogeneous and does not settle out. a colloid is intermediate between asolution  and a  suspension. while asuspension  will separate out a colloid will not.

(b) which contains higher levels of vitamin b, oranges or spinach?

explanation:

you can eliminate a, c, and d because they are questions based on opinions.