AQA · Chemistry · 8462
GCSE Chemistry: Neutralisation of acids and salt production
Chemical changes · AQA GCSE Chemistry (8462), specification point 4.4.2.2. Cards are generated from the exam board's own specification for "Neutralisation of acids and salt production", and every card links back to the page it came from. Specification © AQA — used with attribution.
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What are the products when an acid reacts with an alkali?
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A salt and water.
What are the products when an acid reacts with a metal carbonate?
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A salt, water and carbon dioxide.
Give an example of an alkali.
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A soluble metal hydroxide, e.g. sodium hydroxide.
Give two types of compound that act as bases in neutralisation.
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Insoluble metal hydroxides and metal oxides.
What is the difference between an alkali and a base?
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An alkali is a soluble base (e.g. a soluble metal hydroxide); a base may be insoluble (e.g. metal oxides).
Hydrochloric acid reacts with bases to produce salts called ?.
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chlorides
Nitric acid reacts with bases to produce salts called ?.
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nitrates
Sulfuric acid reacts with bases to produce salts called ?.
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sulfates
Which two factors determine the salt formed in a neutralisation reaction?
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The acid used (which gives the negative ion) and the positive ion in the base, alkali or carbonate.
Which part of a salt comes from the base, alkali or carbonate?
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The positive (metal) ion.
What salt forms when sodium hydroxide neutralises hydrochloric acid?
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Sodium chloride (NaCl), plus water.
What salt forms when copper oxide reacts with sulfuric acid?
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Copper sulfate (CuSO₄), plus water.
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