Product from Oil: Cracking and polymers

Question	Answer
Catalytic Cracking	Breaking down large hydrocarbon molecules into smaller hydrocarbons using heat and a catalyst.
Will turn from orange to colourless in the presence of alkenes	Bromine water
Will remain orange in the presence of alkanes	Bromine water
Where very small molecules (monomers) join together to form a very large molecule	Addition polymerisation
Name given to something that cannot be broken down by bacteria or microbes	Non-biodegradable
Plastics made from cornstarch are now being developed because they are	Biodegradable
Made by the hydration of ethene with steam in the presence of a catalyst	Ethanol
Formed during fermetation using renewable resources such as sugar	Ethanol
Have hydrophillic and hydrophobic properties	Emulsifiers
Oil dispersed in a solvent e.g. ice-cream,salad cream	Emulsion
Process used to harden vegetable oils using 60 degree Celsius and a nickel catalyst	Hardening/hydrogenation

Resource summary

	Created by CLAIRE201282 almost 9 years ago