ZIMSEC O-Level Chemistry
7.4.1Waste management
Waste management in ZIMSEC O-Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Topic81 practice questions4 lessons
In this topic
Lessons
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Types and sources of waste
30 min
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Greenhouse gases and climate change
35 min
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The ozone layer
20 min
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Waste disposal, reuse and recycling
35 min
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