Fractional Distillation Concepts

Fractional Distillation Concepts

8th Grade

10 Qs

quiz-placeholder

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Fractional Distillation Concepts

Fractional Distillation Concepts

Assessment

Quiz

Chemistry

8th Grade

Easy

Created by

Wayground Content

Used 2+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What process is taking place at A?

Evaporation

Condensation

Precipitation

Transpiration

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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

Media Image

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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