IG Organic 3

The crude oil is heated so that ............................................................................................. occurs.

• vaporisation
• temperature
• condensation
• boiling point
• melting point

The column has a ............................................................................................. gradient.

• temperature
• vaporisation
• condensation
• boiling point
• melting point

The compounds in the crude oil pass up the column and ............................................................................................. occurs at different heights

• condensation
• temperature
• vaporisation
• boiling point
• melting point

The fractions separate depending on the ............................................................................................. of each fraction.

• boiling point
• temperature
• vaporisation
• condensation
• melting point

In cracking the molecules that are cracked are hydrocarbons

• True
• False

In catalytic cracking uses iron can be used as the catalyst

• False
• True

Cracking is used because of different demands for hydrocarbons

• True
• False

Cracking reactions are examples of addition reactions

• False
• True

Cracking produces molecules with shorter chains

• True
• False

CH₄ + 2O₂ → CO₂ + 2H₂O is an equation for a cracking reaction

• False
• True