neutralisation of salts & acids, soluble salts

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Chemistry

Chemical Reactions

GCSE Chemistry

AQA

Chemical Changes

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9 Terms

1
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what are acids neutralised by?
alkalis, bases and metal carbonates
2
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acid + alkali →
salt + water
3
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acid + base →
salt + water
4
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acid + metal carbonate →
salt + water + carbon dioxide
5
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what does hydrochloric acid produce?
chlorides
6
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what does nitric acid produce?
nitrates
7
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what does sulphuric acid produce?
sulphates
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what can soluble salts be made by?
acids reacting them with solid insoluble substances
9
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what is crystallisation? (x3)

1. add chosen solid insoluble substance to acid then the solid will dissolve
2. you know acids have been neutralised when excess solid sinks to the bottom, keep adding until this happens
3. filter out excess solid leaving the salt solution, then evaporate some water, then leave the rest to evaporate slowly