Products from oil Flashcards
Are alkanes saturated or unsaturated?
Saturated.
Are alkenes saturated or unsaturated?
Unsaturated.
What happens when an alkene react with bromine water?
The water turns from orange to colourless.
What are polymers made from?
Many monomers joined together.
What are hydrogels?
Polymers that can trap water.
What are shape-memory polymers?
Polymers that change back to their original shape when temperature, or other factors, are changed.
What does biodegradable mean?
Micro-organisms can break down the plastics.
How can you make plastics biodegradable?
By mixing cornstarch with the plastics.
What is C2-H5-OH?
Ethanol.
What two methods are used to produce ethene?
Fermentation of sugar.
Hydration of ethene.
What happens in fermentation?
Enzymes in the yeast cause the sugar to convert to ethanol and carbon dioxide.
What happens in the hydration of ethene?
Ethene is reacted with steam at a high temperature in the presence of a catalyst.
