lab exam Flashcards
1
Q
flammable
A
fire symbol with line
2
Q
compressed gas
A
rolling pin
3
Q
corrosive
A
hands
4
Q
oxidizing
A
fire with o
5
Q
harmful
A
!
6
Q
health hazard
A
human
7
Q
toxic
A
skull
8
Q
explosive
A
exploding
9
Q
what is Benedict’s test used to test for
A
simple sugars
10
Q
what color will Benedict’s test change to if mono/disaccharide are present
A
+ result = yellow/red
- result = blue
11
Q
what is Iodine test/ Lugol’s reagent used to test for
A
complex sugars
12
Q
what color will Lugol’s reactant change to if starches are present
A
+ result = blue
- result = yellow
13
Q
what test is used to test for proteins
A
Biuret
14
Q
what color does Biuret’s test change to
A
+ result = lavender
- result = ??
15
Q
what is the one exception of the macromolecule tests
A
sucrose
