Key term for OCR GCSE Chemistry B, used in Reactivity trend.
The rapid escape of gas bubbles from a liquid mixture during a chemical reaction, commonly referred to as fizzing.
Effervescence appears in OCR GCSE Chemistry B revision content for Practical skills, especially Reactivity trend and Apparatus and techniques.
Practical skills
Reactivity trend • Apparatus and techniques
Making useful chemicals
Useful acid products • Reactions of acids
Making useful chemicals
Reaction rate control • Determining rate of reaction
Chemical analysis
Composition analysis • Tests for cations and anions
Chemicals of the natural environment
Metal extraction and reactivity • Reactivity and positive ions
Chemicals of the natural environment
Metal extraction and reactivity • Order of reactivity
Chemical patterns
The Periodic Table and elements • Identifying Group 1 reactivity
Chemical patterns
The Periodic Table and elements • Group 1 properties
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