Fractional Distillation & Cracking

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

How many carbon atoms are in propane

• 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

Both alkanes and alkenes react rapidly with aqueous bromine at room temperature.

• True
• False

When testing for alkenes (unsaturation) bromine water turns from...

• orange --> blue/black

• colourless --> pink

• orange --> colourless

• orange --> clear

Crude oil is made up of:

• Ethane

• Butane

• A mixture of different hydrocarbons

• Extremely large hydrocarbons which are broken up once extracted

A fraction of crude oil is made up of:

• Hydrocarbons of similar chain lengths

• Numbers

• Large hydrocarbons

• Alkenes only