Ethanol is produced by the fermentation of glucose solution - Edexcel - GCSE Chemistry - Question 4 - 2015 - Paper 1
Question 4
Ethanol is produced by the fermentation of glucose solution.
(i) Give the name of the substance added to the glucose solution to provide the enzymes needed for ferm... show full transcript
Worked Solution & Example Answer:Ethanol is produced by the fermentation of glucose solution - Edexcel - GCSE Chemistry - Question 4 - 2015 - Paper 1
Step 1
Give the name of the substance added to the glucose solution to provide the enzymes needed for fermentation.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The substance added to the glucose solution to provide the necessary enzymes for fermentation is yeast.
Step 2
Which process is used to obtain a concentrated solution of ethanol from this dilute solution?
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The process used to obtain a concentrated solution of ethanol from a dilute solution is fractional distillation. (Put a cross in box D.)
Step 3
State the effect of drinking alcohol on a person's reaction times.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Drinking alcohol typically slows down a person's reaction times, impairing their ability to respond quickly to stimuli.
