
Fractional Distillation Concepts
Quiz
•
Chemistry
•
8th Grade
•
Easy
Wayground Content
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What process is taking place at A?
Evaporation
Condensation
Precipitation
Transpiration
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vapour rises up the fractional distillation column, is the column cooler or hotter at the top?
Cooler
Hotter
The same temperature
Variable temperature
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do hydrocarbons in each fraction have in common?
Number of carbon atoms and boiling point
Molecular weight and density
Color and odor
Solubility in water and viscosity
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where do Smaller fractions condense?
Higher up the column.
At the bottom of the column.
In the middle of the column.
Outside the column.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Long-chain hydrocarbons have higher boiling points due to....?
They have weaker intermolecular forces, so less energy is needed to overcome them.
They have stronger intermolecular forces, so more energy is needed to overcome them.
They have lower molecular weights, which reduces boiling points.
They are more branched, leading to lower boiling points.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
General formula for alkanes.
C_nH_{2n}
C_nH_{2n+1}
C_nH_{2n+2}
C_nH_{2n-2}
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Changes of state in distillation
Evaporation and condensation
Sublimation and deposition
Melting and freezing
Ionization and recombination
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