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AQA GCSE Chemistry Neutralisation reactions

Neutralisation reactions

This page covers the following topics:

A neutralisation reaction occurs between an acid and a base, producing neutral water and a neutral salt. The product solution will have a neutral pH (6-8) which can be detected with a pH indicator.

Neutralisation reactions

Neutralisation reactions between acids and alkalis get more complex when metal carbonates are involved, due to the added production of carbon dioxide. It is expected that you can balance and complete neutralisation reaction equations.

Neutralisation reactions

There are two ways to make and isolate soluble salts. First, you can react an acid with a soluble base, forming a salt in solution which can be isolated by evaporation. Or, you can react an acid with an insoluble base, also forming a salt in soltuion. But, you must first filter off any remaining insoluble base, before evaporating the filtrate to isolate the salt.

Soluble salts

Neutralisation equations are the chemical reaction equations for neutralisation reactions between an acid and a base to produce a salt and water.

Neutralisation equations

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What is the pH of pure water?

AQA GCSE Chemistry Neutralisation reactions What is the pH of pure water?
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2

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Complete the neutralisation reaction, 2 KOH + Hβ‚‚SOβ‚„ β†’ ? + ?.

AQA GCSE Chemistry Neutralisation reactions Complete the neutralisation reaction, 2 KOH + Hβ‚‚SOβ‚„ β†’ ? + ?.
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3

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Sketch an evaporation experiment set up.

AQA GCSE Chemistry Neutralisation reactions Sketch an evaporation experiment set up.
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4

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Describe the process of forming and isolating a soluble salt, using a soluble base.

AQA GCSE Chemistry Neutralisation reactions Describe the process of forming and isolating a soluble salt, using a soluble base.
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5

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Which technique produces the best crystals, fast or slow evaporation?

AQA GCSE Chemistry Neutralisation reactions Which technique produces the best crystals, fast or slow evaporation?
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6

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Write the word equation for the acid-base neutralisation between sulphuric acid and calcium carbonate.

AQA GCSE Chemistry Neutralisation reactions Write the word equation for the acid-base neutralisation between sulphuric acid and calcium carbonate.
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7

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Write the neutralisation equation for the formation of water from a proton and a hydroxide ion.

AQA GCSE Chemistry Neutralisation reactions Write the neutralisation equation for the formation of water from a proton and a hydroxide ion.
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8

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Write the balanced neutralisation equation for the reaction between ethanoic acid and potassium hydroxide.

AQA GCSE Chemistry Neutralisation reactions Write the balanced neutralisation equation for the reaction between ethanoic acid and potassium hydroxide.
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