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

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The pH Scale & Neutralisation
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What ions do acids produce in aqueous solutions?

Hydrogen ions (H+H^+)

What are bases that are soluble in water called?

Alkalis

What is the pH range of the pH scale?

0 to 14

What pH range indicates an acidic substance?

0 to 6

What pH range indicates an alkaline substance?

8 to 14

What is the pH of vinegar?

pH 3

What colour does universal indicator show for a strong acid (pH 1-3)?

Red

What colour does universal indicator show for a neutral solution (pH 7)?

Green

What are the two products of a neutralisation reaction?

Salt and water

What is the general word equation for neutralisation?

Acid+Base→Salt+WaterAcid + Base → Salt + Water

What is produced when HClHCl reacts with NaOHNaOH?

NaClNaCl and H2OH_2O

What is a precipitate in a neutralisation reaction?

Solid that forms and settles

Explore OCR GCSE Chemistry A (Gateway Science Suite) Revision Notes by Topics

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

Explore OCR GCSE Chemistry A (Gateway Science Suite) Exam Questions by Topics

Reactivity of Metals

Reactions of Acids

Electrolysis

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