Lab exam Flashcards
1
Q
what does iodine tests for
A
starch
2
Q
Color of iodine pos, neg
A
pos black
neg yellow brown
3
Q
What does benedicts test for
A
Reducing sugar
4
Q
colours of benedicts
A
pos orange
neg blue
5
Q
What are types of reducing sugar / def
A
glucose, galactose, fructose, and lactose
has free anomeric carbon
6
Q
what does biuret test for
A
protein
7
Q
what are the colours of biuret
A
pos purple
neg blue
8
Q
what does sudan IV test for
A
lipid
9
Q
What are the colours of sudan IV
A
pos RED
neg orange red
10
Q
What is a negative control
A
It is solution that contains water and the test
it should come out negative
