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Hydroxide ions (OH⁻) — Edexcel Chemistry Definition | GradeGen.AI

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Chemistry
Key Terms
Hydroxide ions (OH⁻)

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Hydroxide ions (OH⁻)

Key term for Edexcel GCSE Chemistry, used in Acids.

Definition

The negatively charged ions produced by alkalis in aqueous solutions.

Exam Context

Hydroxide ions (OH⁻) appears in Edexcel GCSE Chemistry revision content for Chemical Changes, especially Acids and Indicators.

Chemical Changes Acids Indicators

Found in Revision Notes

Chemical Changes

Indicators

Acids • Indicators

Related Key Terms

Alkali Endpoint Hydrogen ions (H⁺)Indicator

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Synthetic indicator

Two-colour indicator