Products of Crude Oil- Unit 7a
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3 ways to dispose of polymer (plastic) bags
Reuse Burn to make energy (incinerate) Recycling
Pros and cons of reusing plastic bags
Pro- saves resources No more crude oil needs to be used Con- Plastic bags break Still end on land fill Bags don’t decompose
Pros and cons of recycle of plastics
Pro- Plastic can be made into something else Saves crude oil resources Cons- costs money to melt plastic Costs money to separate plastics at land fills Not all plastics can be remoulded
Pros and cons of incineration of plastics
Pro- Can be used to make energy Easy to do Doesn’t end up on landfills Con- Releases CO2 into atmosphere Causes global warming
What does hydrophobic mean?
Water hating (doesn’t mix with water)
What does hydrophilic mean?
Water loving (mixes with water)
What does immiscible mean?
Two things that don’t mix
What is an an emulsion?
A mixture of things that normally don’t mix Normally fat (oil) and water
What do you need to make an emulsion?
An emulsifier
Uses of emulsions
Moisturisers Paints Mayonnaise Milk
2 process of making ethanol
Fermentation of ethanol Hydration of ethene
Name of first 5 alcohols
Methanol Ethanol Propanol Butanol Pentanol