Uses of esters
3 marks · EasyState one use of esters in the food industry.
State one use of esters in the perfume industry.
Give one property of esters that makes them suitable for these uses.
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(a) As a flavouring in foods or drinks
(b) Used as a perfume or scent
(c) They are volatile liquids or have pleasant/sweet/fruity smells
Show mark scheme and worked solution
Marking points
B1 (a) · 1 mark · States a valid use of esters as a flavouring in food or drink.
B1 (b) · 1 mark · States a valid use of esters in perfumes.
B1 (c) · 1 mark · Gives a property of esters making them suitable for these uses (e.g., volatile, fruity smell).
Worked solution
a) Esters are used as flavourings in foods and drinks.
b) Esters are used in perfumes to provide pleasant scents.
c) Esters are volatile and have sweet, fruity smells, making them suitable for these uses.