chemistry acids Y10
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12 Terms
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metal + acid
salt + hydrogen
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metal oxide + acid
salt + water
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metal hydroxide + acid
salt + water
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metal carbonate + acid
salt + water + carbon dioxide
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what is a base
A substance that reacts with an acid to neutralise it and produce a salt.
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what is an alkali
A soluble base
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strong acids
fully dissociate in water - includes nitric, sulphuric and hydrochloric acids
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weak acids
partially dissociate in water - includes carbonic, ethanoic and citric acids
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examples of pH measures
universal indicator, methyl orange
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methyl orange
Red in acid, yellow in alkali
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1 decrease in pH means
10x more hydrogen ions
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Note 
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