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11 Cards in this Set
- Front
- Back
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Alcohol is made from
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sugar
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Ethanol is a type of
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Alcohol
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It can be used as a
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fuel
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It burns to give just
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CO2 and water
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It can be produced by:
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Using yeast to FERMENT SUGARS.
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What materials can be used as a source of sugar in ethanol production
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sugar cane and sugar beet
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Cars can be adapted to run on a mixture what percentage of ethanol to petrol.
What is this fuel called |
10% ethanol to 90% petrol
"gasohol" |
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Where are the best places to grow the crops
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Where there is a lot of fertile land and good weather, like Brazil
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What are the disadvantages of producing the crops for biofuel and ethanol
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Large amounts of land are needed to grow the crops used to produce ethanol or biofuel meaning that there is less available land to grow food
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Advantages of using Ethanol
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Using Gasohol instead of petrol means less crude oil is being used.
The crops grown for ethanol production use CO2 from the photosynthesis which halls the balance when the gasohol or biofuell are burnt |
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What are the disadvantages of producing the crops for ethanol
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Distilling the ethanol after fermentation needs a lot of energy
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