Manufacture of ethanol (Edexcel GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What temperature is required for the hydration of ethene to produce ethanol?
What temperature is required for the hydration of ethene to produce ethanol?
300°C
What pressure is needed for the hydration of ethene?
What pressure is needed for the hydration of ethene?
60-70 atm
Which catalyst is used in the hydration of ethene?
Which catalyst is used in the hydration of ethene?
Phosphoric acid ()
What temperature range is used for the fermentation of sugars?
What temperature range is used for the fermentation of sugars?
30-40°C
What conditions are required for fermentation to produce ethanol?
What conditions are required for fermentation to produce ethanol?
Anaerobic (no oxygen)
What is the role of yeast in the fermentation process?
What is the role of yeast in the fermentation process?
Acts as a natural catalyst
At what ethanol concentration does fermentation stop?
At what ethanol concentration does fermentation stop?
15%
In fermentation, glucose () produces ethanol and which other product?
In fermentation, glucose () produces ethanol and which other product?
Carbon dioxide ()
Where is the ethene obtained from for the hydration process?
Where is the ethene obtained from for the hydration process?
Cracking crude oil
Which advantage applies to the hydration of ethene method?
Which advantage applies to the hydration of ethene method?
Produces pure ethanol
Which advantage applies to the fermentation method?
Which advantage applies to the fermentation method?
Uses renewable materials
Which method produces dilute ethanol as a disadvantage?
Which method produces dilute ethanol as a disadvantage?
Fermentation of sugars