Two processes for producing ethanol are: • fermentation • hydration (reacting ethene with steam). The table below shows information about the processes. Give two advantages and two disadvantages of using fermentation to produce ethanol. - 6159

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Q1.

Two processes for producing ethanol are:

• fermentation

• hydration (reacting ethene with steam).

The table below shows information about the processes.

Give two advantages and two disadvantages of using fermentation to produce ethanol.

Advantage of fermentation 1

___________________________________ ___________________________________________________________

Advantage of fermentation 2 ___________________________________ ___________________________________________________________

Disadvantage of fermentation 1

________________________________ ___________________________________________________________

Disadvantage of fermentation 2

________________________________ ___________________________________________________________ (4)

Two processes for producing ethanol are: • fermentation • hydration (reacting ethene with steam). The table below shows information about the processes. Give two advantages and two disadvantages of using fermentation to produce ethanol. – 6159