The pH Scale & Neutralisation (OCR GCSE Chemistry A (Gateway Science Suite)): Flashcards

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The pH Scale & Neutralisation
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Ions produced by acids in aqueous solution

Hydrogen ions (H+H^+)

Ions produced by bases in aqueous solution

Hydroxide ions (OH−OH^-)

Term for bases that are soluble in water

Alkalis

Range of the pH scale

0 to 14

pH value of a neutral substance

7

pH range for acidic substances

0 to 6

pH range for alkaline substances

8 to 14

Chemical mixture used to measure pH

Universal indicator

Universal indicator colour for strong acid

Red

Universal indicator colour for neutral solution

Green

Reaction between an acid and a base

Neutralisation

Products of a neutralisation reaction

Salt and water

Type of compound that salts are

Ionic compounds

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Reactivity of Metals

Reactions of Acids

Electrolysis

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Reactivity of Metals

Reactions of Acids

Electrolysis

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Reactivity of Metals

Reactions of Acids

Electrolysis

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Reactivity of Metals

Reactions of Acids

Electrolysis

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