NEW CHEM Flashcards
0
Q
What are the 2 types of mixtures?
A
Homogeneous
Heterogeneous
1
Q
- mixtures: proportions can be separated by physical :(_____________) means.
- can have variable proportions.
A
Non-chemical
2
Q
What is a homogeneous mixture?
A
Homogeneous: even mixture throughout, spread evenly.
3
Q
What is a Heterogeneous mixture?
A
Heterogeneous: uneven mixture, poorly distributed.
4
Q
_______: even mixture throughout, spread evenly.
A
Homogeneous
5
Q
______________: uneven mixture, poorly distributed
A
Heterogeneous
6
Q
_________
- HPLC (high pressure liquid chromatography)
- used in the ER for blood samples to detect and separate drugs.m
A
Gas chromatography
7
Q
What are the 4 chemical reactions (hints,clues NOT LAWS)?
A
- ) ENERGY, heat or light is given off.
- ) GASis produced
- ) There is a significant COLOR change
- )There was a PRECIPITATE
8
Q
__________: separating liquids based upon their boiling point.
A
Distillation
9
Q
What is distillation?
A
Separating liquids based upon their boiling point.
10
Q
What is isopropanol?
A
Isopropanol is the solvent/mobile phase (a liquid alcohol)
