Organic chemistry IGCSE

What is this process called?

• Distillation

• Fractional Distillation

• Reverse Distillation

• Destructive Distillation

This process is based of the fact that all compounds being separated have

• A boiling point

• Same boiling points

• Different boiling points

• No boiling points

How does the temperature change from top to bottom?

• Increases
• Decreases
• It does not change
• Cannot be determined

Tags

NGSS.HS-ESS2-3

NGSS.HS-PS3-2

NGSS.HS-PS3-4

What does the viscosity of a hydrocarbon tell you?

• How easily it flows
• How easily it sets alight
• What its boiling point is
• How long the hydrocarbon is

The longer the hydrocarbon, the ________ the flammability?

• Lower
• Higher

The longer the hydrocarbon, the _________ the viscosity?

• Lower
• Higher

How many carbon atoms are in methane?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?

• 20
• 22
• 40
• 42

Which formula represents a saturated hydrocarbon?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-2

Which formula represents a saturated hydrocarbon?

• A
• B
• C
• D