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Chapter overview
Study Chemical Changes and Reactions through notes, flashcards, revision, MCQs, and long-answer practice.
Practice ready
3757 MCQs and 2842 written prompts are ready for focused chapter work.
Topics
2
Recall
6
Cards
12
Topic 1
New substance formation is the clearest sign of a chemical change.
Topic 2
Reaction type depends on the pattern of reactants changing into products.
Chapter pack
Topic list
Topic 1
Physical changes alter form, state, or appearance without forming a new substance, while chemical changes produce new substances with new properties.
Topic 2
Chemical reactions can be grouped as combination, decomposition, displacement, double displacement, precipitation, and neutralisation based on how reactants and products are related.
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