5.13 I can describe catalytic cracking of long-chain hydrocarbons

1.       What is the reaction call to distil crude oil	cracking
2.       How are the bigger molecules broken down	The bigger molecules are broken down by heating
3.       Crackling is an example of what decomposition reaction.	Thermal decomposition reaction
4.       Why are catalysts needed for cracking?	It speeds up the reaction
5.       What kind of hydrocarbons are in greater demand (e.g.________, _______)?	Smaller hydrocarbons are in greater demand ( e.g. petrol and petroleum gases)
6.       What gas is produced from cracking paraffin?	Ethene
7.       What happens when you test Ethene with a lighted splint?
8.       What is the catalyst for cracking paraffin?	Aluminum oxide