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ZIMSEC O-Level Chemistry

Natural polymers

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

Form 4 (competency matrix 8.31.2): starch and proteins.

Learning objectives

What the syllabus expects you to be able to do.

  1. 7.3.6.6Name the type of linkage in starch and in proteins.
  2. 7.3.6.7Draw structures to represent natural polymers and deduce the monomer from a given polymer, and the reverse.
  3. 7.3.6.8Describe the hydrolysis of natural polymers.

Lessons

  • Natural polymers: proteins and starch

    35 min

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Sample question

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

Natural polymers: sample question

1 mark

Which linkage joins the amino acid units in a protein?

Syllabus note: Cambridge IGCSE Supplement (Extended) content; ZIMSEC O-Level Form 4.

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