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ZIMSEC O-Level Combined Science

7.2.6.1Fuels and combustion

Fuels and combustion in ZIMSEC O-Level Combined Science: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic61 practice questions3 lessons

Overview

Forms 1 and 2.

Learning objectives

What the syllabus expects you to be able to do.

  1. 7.2.6.1.1Identify solid, liquid and gaseous fuels and compare their efficiency.
  2. 7.2.6.1.2Define complete and incomplete combustion and list their products.
  3. 7.2.6.1.3Describe the effects of burning fuels.

Lessons

  • Air pollution: sources, effects and control

    40 min

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  • Fuel efficiency and heating values

    35 min

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  • Types of fuels

    30 min

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Sample question

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

Fuels and combustion: sample question

1 mark

True or false: you can tell that carbon monoxide is present in a room because of its smell.

Is the statement true or false?

Turn Fuels and combustion into a strength.

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