Kerosene

3 marks · Easy

Kerosene is a useful fraction produced from crude oil.

(a)

State two different uses of kerosene.

[2 marks]

(b)

Give one reason why kerosene is chosen as a fuel for jet aircraft.

[1 mark]

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(a) —

(b) —

Common mistakes: listing same use twice; giving unrelated reasons

Show mark scheme and worked solution

Marking points

B1 (a) · 1 mark · First correct use of kerosene (e.g., fuel for jet aircraft, domestic heating oil, paraffin for lamps/small heaters)

B2 (a) · 1 mark · Second correct use of kerosene (different from first)

B3 (b) · 1 mark · A valid reason for using kerosene as jet fuel (e.g., burns efficiently, appropriate boiling point, energy density, relatively safe handling, etc.)

Worked solution

(a) Two uses:

- Fuel for jet aircraft

- Domestic heating oil

Other correct answers include: paraffin for small heaters/lamps.

(b) Reason: Kerosene burns efficiently and provides a large amount of energy, making it suitable for jet engines.