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Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Section

Uses of esters

19 practice questions

Start practising (8 questions)

Practice questions

1–8 of 8 · Easy

  1. Question 1

    1 mark · Easy

    State one use of esters in everyday household products.

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  2. Question 2

    2 marks · Easy

    Esters are used in both fruit-flavoured drinks and perfumes. Explain why esters are suitable for use in both these products.

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  3. Question 3

    3 marks · Easy

    Table 1: Some esters and their typical uses.
    EsterTypical use
    Methyl butanoateFlavouring (apple)
    Ethyl ethanoateSolvent
    Propyl ethanoatePerfume
    Pentyl acetateFlavouring (banana)
    (a)

    Identify two esters from the table used as flavourings.

    [1 mark]
    (b)

    Which ester from the table is used as a perfume?

    [1 mark]
    (c)

    Give the fruit each flavouring (from part a) is associated with.

    [1 mark]
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  4. Question 4

    1 mark · Easy

    State the main reason esters are chosen for making perfumes.

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  5. Question 5

    3 marks · Easy

    (a)

    Name one ester used for a fruit flavouring in food.

    [1 mark]
    (b)

    State what property of esters makes them useful as perfumes.

    [1 mark]
    (c)

    Give one example of a product (other than food) where esters are used.

    [1 mark]
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  6. Question 6

    3 marks · Easy

    (a)

    State one use of esters in the food industry.

    [1 mark]
    (b)

    State one use of esters in the perfume industry.

    [1 mark]
    (c)

    Give one property of esters that makes them suitable for these uses.

    [1 mark]
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  7. Question 7

    2 marks · Easy

    A manufacturer wants to make a new strawberry-flavoured sweet. State which type of organic compound they should use to add the flavour and explain briefly why.

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  8. Question 8

    2 marks · Easy

    A food company wants to make a new sweet product with a fruity taste and a pleasant smell. They plan to add 0.5 grams of an ester as a flavouring and 0.7 grams of an ester as a perfume in one batch.

    State the total mass of ester (in grams) added to this batch and identify the two main uses of esters in this context.

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