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ZIMSEC A-Level Chemistry

6.3.1.2Preparation and occurrence; physical properties

Preparation and occurrence; physical properties in ZIMSEC A-Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic23 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 6.3.1.2.1Explain the use of crude oil and natural gas as sources of hydrocarbons.
  2. 6.3.1.2.2Explain the decrease in volatility with increasing carbon chain length.

Lessons

  • Alkanes, crude oil and combustion

    50 min

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Sample question

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

Preparation and occurrence; physical properties: sample question

1 mark

Why does the boiling point of the straight-chain alkanes increase from pentane to decane?

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