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ZIMSEC O-Level Chemistry

Fuel efficiency

Fuel efficiency in ZIMSEC O-Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic20 practice questions1 lesson

Overview

Form 4 (competency matrix 8.26.2).

Learning objectives

What the syllabus expects you to be able to do.

  1. 7.3.1.6Determine the heating values of fuels by experiment.
  2. 7.3.1.7Explain why some fuels are more efficient than others.

Lessons

  • Fuel efficiency and heating values

    35 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Fuel efficiency: sample question

1 mark

Which observation shows that a fuel is burning incompletely?

Choose one answer

Turn Fuel efficiency into a strength.

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