Diffusion

Question 1

How do you know Benedicts test is positive?

Answer 1

It will turn from blue to red or orange color.

Question 2

How would you get a false positive?

False negative?

Answer 2

False positive - Accidentally used glucose instead of water for negative control. Or used same pipette used for glucose transfer for water transfer for negative control.

False negative - Didn’t use the right reagent, didnt put glucose in the bag