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Chapter overview
Study Physical and Chemical Changes through notes, flashcards, revision, MCQs, and long-answer practice.
Practice ready
3653 MCQs and 2048 written prompts are ready for focused chapter work.
Topics
2
Recall
6
Cards
12
Topic 1
New substance formation is the key test for chemical change.
Topic 2
A reaction observation is evidence that new substances may have formed.
Chapter pack
Topic list
Topic 1
A physical change changes form, state, or appearance without producing a new substance. A chemical change forms a new substance.
Topic 2
Chemical reactions can be recognised through observations such as gas evolution, precipitate formation, colour change, smell, and heat or light change.
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